Datrys 44r^2(5.5)^2(4)

$$44 r ^ { 2 } ( 5.5 ) ^ { 2 } ( 4 )$$

Enrhifo

$$5324r^{2}$$

Camau Ateb

Cyfrifo 5.5 i bŵer 2 a chael 30.25.

$$44r^{2}\times 30.25\times 4$$

Lluosi 44 a 30.25 i gael 1331.

$$1331r^{2}\times 4$$

Lluosi 1331 a 4 i gael 5324.

$$5324r^{2}$$

Gwahaniaethu w.r.t. r

$$10648r$$

Camau gan Ddefnyddio Diffiniad o Ddeilliad

Cyfrifo 5.5 i bŵer 2 a chael 30.25.

$$\frac{\mathrm{d}}{\mathrm{d}r}(44r^{2}\times 30.25\times 4)$$

Lluosi 44 a 30.25 i gael 1331.

$$\frac{\mathrm{d}}{\mathrm{d}r}(1331r^{2}\times 4)$$

Lluosi 1331 a 4 i gael 5324.

$$\frac{\mathrm{d}}{\mathrm{d}r}(5324r^{2})$$

Deilliad ax^{n} yw nax^{n-1}.

$$2\times 5324r^{2-1}$$

Lluoswch 2 â 5324.

$$10648r^{2-1}$$

Tynnu 1 o 2.

$$10648r^{1}$$

Ar gyfer unrhyw derm t, t^{1}=t.

$$10648r$$