Datrys 1044*10^-3p=83145*29815(1-186*10^-6p+106*10^-8p^2)

$$1044 \times 10 ^ { - 3 } p = 83145 \times 29815 ( 1 - 186 \times 10 ^ { - 6 } p + 106 \times 10 ^ { - 8 } p ^ { 2 } )$$

Datrys ar gyfer p

$$p=\frac{153696374850+50\sqrt{1148595450707205174991}i}{1751804177}\approx 87.736047709+967.315156682i$$

$$p=\frac{-50\sqrt{1148595450707205174991}i+153696374850}{1751804177}\approx 87.736047709-967.315156682i$$

Camau gan Ddefnyddio’r Fformiwla Cwadratig

Cyfrifo 10 i bŵer -3 a chael \frac{1}{1000}.

$$1044\times \frac{1}{1000}p=83145\times 29815\left(1-186\times 10^{-6}p+106\times 10^{-8}p^{2}\right)$$

Lluosi 1044 a \frac{1}{1000} i gael \frac{261}{250}.

$$\frac{261}{250}p=83145\times 29815\left(1-186\times 10^{-6}p+106\times 10^{-8}p^{2}\right)$$

Lluosi 83145 a 29815 i gael 2478968175.

$$\frac{261}{250}p=2478968175\left(1-186\times 10^{-6}p+106\times 10^{-8}p^{2}\right)$$

Cyfrifo 10 i bŵer -6 a chael \frac{1}{1000000}.

$$\frac{261}{250}p=2478968175\left(1-186\times \frac{1}{1000000}p+106\times 10^{-8}p^{2}\right)$$

Lluosi 186 a \frac{1}{1000000} i gael \frac{93}{500000}.

$$\frac{261}{250}p=2478968175\left(1-\frac{93}{500000}p+106\times 10^{-8}p^{2}\right)$$

Cyfrifo 10 i bŵer -8 a chael \frac{1}{100000000}.

$$\frac{261}{250}p=2478968175\left(1-\frac{93}{500000}p+106\times \frac{1}{100000000}p^{2}\right)$$

Lluosi 106 a \frac{1}{100000000} i gael \frac{53}{50000000}.

$$\frac{261}{250}p=2478968175\left(1-\frac{93}{500000}p+\frac{53}{50000000}p^{2}\right)$$

Defnyddio’r briodwedd ddosbarthu i luosi 2478968175 â 1-\frac{93}{500000}p+\frac{53}{50000000}p^{2}.

$$\frac{261}{250}p=2478968175-\frac{9221761611}{20000}p+\frac{5255412531}{2000000}p^{2}$$

Tynnu 2478968175 o'r ddwy ochr.

$$\frac{261}{250}p-2478968175=-\frac{9221761611}{20000}p+\frac{5255412531}{2000000}p^{2}$$

Ychwanegu \frac{9221761611}{20000}p at y ddwy ochr.

$$\frac{261}{250}p-2478968175+\frac{9221761611}{20000}p=\frac{5255412531}{2000000}p^{2}$$

Cyfuno \frac{261}{250}p a \frac{9221761611}{20000}p i gael \frac{9221782491}{20000}p.

$$\frac{9221782491}{20000}p-2478968175=\frac{5255412531}{2000000}p^{2}$$

Tynnu \frac{5255412531}{2000000}p^{2} o'r ddwy ochr.

$$\frac{9221782491}{20000}p-2478968175-\frac{5255412531}{2000000}p^{2}=0$$

Mae modd datrys pob hafaliad sydd yn y ffurf ax^{2}+bx+c=0 drwy ddefnyddio'r fformiwla cwadratig: \frac{-b±\sqrt{b^{2}-4ac}}{2a}. Mae'r fformiwla cwadratig yn rhoi dau ateb, pan fydd ± yn adio â’r llall pan fydd yn tynnu.

$$-\frac{5255412531}{2000000}p^{2}+\frac{9221782491}{20000}p-2478968175=0$$

Mae’r hafaliad hwn yn y ffurf safonol: ax^{2}+bx+c=0. Amnewidiwch -\frac{5255412531}{2000000} am a, \frac{9221782491}{20000} am b, a -2478968175 am c yn y fformiwla gwadratig, \frac{-b±\sqrt{b^{2}-4ac}}{2a}.

$$p=\frac{-\frac{9221782491}{20000}±\sqrt{\left(\frac{9221782491}{20000}\right)^{2}-4\left(-\frac{5255412531}{2000000}\right)\left(-2478968175\right)}}{2\left(-\frac{5255412531}{2000000}\right)}$$

Sgwariwch \frac{9221782491}{20000} drwy sgwario'r rhifiadur ag enwadur y ffracsiwn.

$$p=\frac{-\frac{9221782491}{20000}±\sqrt{\frac{85041272311314165081}{400000000}-4\left(-\frac{5255412531}{2000000}\right)\left(-2478968175\right)}}{2\left(-\frac{5255412531}{2000000}\right)}$$

Lluoswch -4 â -\frac{5255412531}{2000000}.

$$p=\frac{-\frac{9221782491}{20000}±\sqrt{\frac{85041272311314165081}{400000000}+\frac{5255412531}{500000}\left(-2478968175\right)}}{2\left(-\frac{5255412531}{2000000}\right)}$$

Lluoswch \frac{5255412531}{500000} â -2478968175.

$$p=\frac{-\frac{9221782491}{20000}±\sqrt{\frac{85041272311314165081}{400000000}-\frac{521120016433808037}{20000}}}{2\left(-\frac{5255412531}{2000000}\right)}$$

Adio \frac{85041272311314165081}{400000000} at -\frac{521120016433808037}{20000} drwy ddod o hyd i enwadur cyffredin ac ychwanegu’r rhifiaduron. Yna, lleihau’r ffracsiwn i’r termau isaf os yn bosibl.

$$p=\frac{-\frac{9221782491}{20000}±\sqrt{-\frac{10337359056364846574919}{400000000}}}{2\left(-\frac{5255412531}{2000000}\right)}$$

Cymryd isradd -\frac{10337359056364846574919}{400000000}.

$$p=\frac{-\frac{9221782491}{20000}±\frac{3\sqrt{1148595450707205174991}i}{20000}}{2\left(-\frac{5255412531}{2000000}\right)}$$

Lluoswch 2 â -\frac{5255412531}{2000000}.

$$p=\frac{-\frac{9221782491}{20000}±\frac{3\sqrt{1148595450707205174991}i}{20000}}{-\frac{5255412531}{1000000}}$$

Datryswch yr hafaliad p=\frac{-\frac{9221782491}{20000}±\frac{3\sqrt{1148595450707205174991}i}{20000}}{-\frac{5255412531}{1000000}} pan fydd ± yn plws. Adio -\frac{9221782491}{20000} at \frac{3i\sqrt{1148595450707205174991}}{20000}.

$$p=\frac{-9221782491+3\sqrt{1148595450707205174991}i}{-\frac{5255412531}{1000000}\times 20000}$$

Rhannwch \frac{-9221782491+3i\sqrt{1148595450707205174991}}{20000} â -\frac{5255412531}{1000000} drwy luosi \frac{-9221782491+3i\sqrt{1148595450707205174991}}{20000} â chilydd -\frac{5255412531}{1000000}.

$$p=\frac{-50\sqrt{1148595450707205174991}i+153696374850}{1751804177}$$

Datryswch yr hafaliad p=\frac{-\frac{9221782491}{20000}±\frac{3\sqrt{1148595450707205174991}i}{20000}}{-\frac{5255412531}{1000000}} pan fydd ± yn minws. Tynnu \frac{3i\sqrt{1148595450707205174991}}{20000} o -\frac{9221782491}{20000}.

$$p=\frac{-3\sqrt{1148595450707205174991}i-9221782491}{-\frac{5255412531}{1000000}\times 20000}$$

Rhannwch \frac{-9221782491-3i\sqrt{1148595450707205174991}}{20000} â -\frac{5255412531}{1000000} drwy luosi \frac{-9221782491-3i\sqrt{1148595450707205174991}}{20000} â chilydd -\frac{5255412531}{1000000}.

$$p=\frac{153696374850+50\sqrt{1148595450707205174991}i}{1751804177}$$

Mae’r hafaliad wedi’i ddatrys nawr.

$$p=\frac{-50\sqrt{1148595450707205174991}i+153696374850}{1751804177} p=\frac{153696374850+50\sqrt{1148595450707205174991}i}{1751804177}$$

Camau ar Gyfer Cwblhau'r Sgwâr

Cyfrifo 10 i bŵer -3 a chael \frac{1}{1000}.

$$1044\times \frac{1}{1000}p=83145\times 29815\left(1-186\times 10^{-6}p+106\times 10^{-8}p^{2}\right)$$

Lluosi 1044 a \frac{1}{1000} i gael \frac{261}{250}.

$$\frac{261}{250}p=83145\times 29815\left(1-186\times 10^{-6}p+106\times 10^{-8}p^{2}\right)$$

Lluosi 83145 a 29815 i gael 2478968175.

$$\frac{261}{250}p=2478968175\left(1-186\times 10^{-6}p+106\times 10^{-8}p^{2}\right)$$

Cyfrifo 10 i bŵer -6 a chael \frac{1}{1000000}.

$$\frac{261}{250}p=2478968175\left(1-186\times \frac{1}{1000000}p+106\times 10^{-8}p^{2}\right)$$

Lluosi 186 a \frac{1}{1000000} i gael \frac{93}{500000}.

$$\frac{261}{250}p=2478968175\left(1-\frac{93}{500000}p+106\times 10^{-8}p^{2}\right)$$

Cyfrifo 10 i bŵer -8 a chael \frac{1}{100000000}.

$$\frac{261}{250}p=2478968175\left(1-\frac{93}{500000}p+106\times \frac{1}{100000000}p^{2}\right)$$

Lluosi 106 a \frac{1}{100000000} i gael \frac{53}{50000000}.

$$\frac{261}{250}p=2478968175\left(1-\frac{93}{500000}p+\frac{53}{50000000}p^{2}\right)$$

Defnyddio’r briodwedd ddosbarthu i luosi 2478968175 â 1-\frac{93}{500000}p+\frac{53}{50000000}p^{2}.

$$\frac{261}{250}p=2478968175-\frac{9221761611}{20000}p+\frac{5255412531}{2000000}p^{2}$$

Ychwanegu \frac{9221761611}{20000}p at y ddwy ochr.

$$\frac{261}{250}p+\frac{9221761611}{20000}p=2478968175+\frac{5255412531}{2000000}p^{2}$$

Cyfuno \frac{261}{250}p a \frac{9221761611}{20000}p i gael \frac{9221782491}{20000}p.

$$\frac{9221782491}{20000}p=2478968175+\frac{5255412531}{2000000}p^{2}$$

Tynnu \frac{5255412531}{2000000}p^{2} o'r ddwy ochr.

$$\frac{9221782491}{20000}p-\frac{5255412531}{2000000}p^{2}=2478968175$$

Mae modd datrys hafaliadau cwadratig fel hwn drwy gwblhau’r sgwâr. Er mwyn cwblhau’r sgwâr, yn gyntaf mae’n rhaid i'r hafaliad fod ar ffurf x^{2}+bx=c.

$$-\frac{5255412531}{2000000}p^{2}+\frac{9221782491}{20000}p=2478968175$$

Rhannu dwy ochr hafaliad â -\frac{5255412531}{2000000}, sydd yr un peth â lluosi’r ddwy ochr â chilydd y ffracsiwn.

$$\frac{-\frac{5255412531}{2000000}p^{2}+\frac{9221782491}{20000}p}{-\frac{5255412531}{2000000}}=\frac{2478968175}{-\frac{5255412531}{2000000}}$$

Mae rhannu â -\frac{5255412531}{2000000} yn dad-wneud lluosi â -\frac{5255412531}{2000000}.

$$p^{2}+\frac{\frac{9221782491}{20000}}{-\frac{5255412531}{2000000}}p=\frac{2478968175}{-\frac{5255412531}{2000000}}$$

Rhannwch \frac{9221782491}{20000} â -\frac{5255412531}{2000000} drwy luosi \frac{9221782491}{20000} â chilydd -\frac{5255412531}{2000000}.

$$p^{2}-\frac{307392749700}{1751804177}p=\frac{2478968175}{-\frac{5255412531}{2000000}}$$

Rhannwch 2478968175 â -\frac{5255412531}{2000000} drwy luosi 2478968175 â chilydd -\frac{5255412531}{2000000}.

$$p^{2}-\frac{307392749700}{1751804177}p=-\frac{50000000}{53}$$

Rhannwch -\frac{307392749700}{1751804177}, cyfernod y term x, â 2 i gael -\frac{153696374850}{1751804177}. Yna ychwanegwch sgwâr -\frac{153696374850}{1751804177} at ddwy ochr yr hafaliad. Mae'r cam hwn yn gwneud ochr chwith yr hafaliad yn sgwâr perffaith.

$$p^{2}-\frac{307392749700}{1751804177}p+\left(-\frac{153696374850}{1751804177}\right)^{2}=-\frac{50000000}{53}+\left(-\frac{153696374850}{1751804177}\right)^{2}$$

Sgwariwch -\frac{153696374850}{1751804177} drwy sgwario'r rhifiadur ag enwadur y ffracsiwn.

$$p^{2}-\frac{307392749700}{1751804177}p+\frac{23622575642031712522500}{3068817874554647329}=-\frac{50000000}{53}+\frac{23622575642031712522500}{3068817874554647329}$$

Adio -\frac{50000000}{53} at \frac{23622575642031712522500}{3068817874554647329} drwy ddod o hyd i enwadur cyffredin ac ychwanegu’r rhifiaduron. Yna, lleihau’r ffracsiwn i’r termau isaf os yn bosibl.

$$p^{2}-\frac{307392749700}{1751804177}p+\frac{23622575642031712522500}{3068817874554647329}=-\frac{2871488626768012937477500}{3068817874554647329}$$

Ffactora p^{2}-\frac{307392749700}{1751804177}p+\frac{23622575642031712522500}{3068817874554647329}. Yn gyffredinol, pan fydd x^{2}+bx+c yn sgwâr perffaith, mae modd ei ffactora bob amser fel \left(x+\frac{b}{2}\right)^{2}.

$$\left(p-\frac{153696374850}{1751804177}\right)^{2}=-\frac{2871488626768012937477500}{3068817874554647329}$$

Cymrwch isradd dwy ochr yr hafaliad.

$$\sqrt{\left(p-\frac{153696374850}{1751804177}\right)^{2}}=\sqrt{-\frac{2871488626768012937477500}{3068817874554647329}}$$

Symleiddio.

$$p-\frac{153696374850}{1751804177}=\frac{50\sqrt{1148595450707205174991}i}{1751804177} p-\frac{153696374850}{1751804177}=-\frac{50\sqrt{1148595450707205174991}i}{1751804177}$$

Adio \frac{153696374850}{1751804177} at ddwy ochr yr hafaliad.

$$p=\frac{153696374850+50\sqrt{1148595450707205174991}i}{1751804177} p=\frac{-50\sqrt{1148595450707205174991}i+153696374850}{1751804177}$$