ដោះស្រាយសម្រាប់ r
r=-2400000000000000000000000000000000\sqrt{15}i\approx -0-9.295160031 \cdot 10^{33}i
r=2400000000000000000000000000000000\sqrt{15}i\approx 9.295160031 \cdot 10^{33}i
ចែករំលែក
ចម្លង ទៅ ក្តារ បន្ទះ ឃ្លីប
50\times 10^{3}r^{2}=9\times 10^{9}\times 80\times 10^{66}\left(-6\right)\times 10^{-6}
អថេរ r មិនអាចស្មើនឹង 0 បានទេ ដោយសារការចែកនឹងសូន្យមិនត្រូវបានកំណត់។ ធ្វើប្រមាណវិធីគុណជ្រុងទាំងពីរនៃសមីការរដោយ r^{2}។
50\times 10^{3}r^{2}=9\times 10^{75}\times 80\left(-6\right)\times 10^{-6}
ដើម្បីគុណស្វ័យគុណនៃគោលដូចគ្នា ត្រូវបូកនិទស្សន្តរបស់ពួកវា។ បូក 9 និង 66 ដើម្បីទទួលបាន 75។
50\times 10^{3}r^{2}=9\times 10^{69}\times 80\left(-6\right)
ដើម្បីគុណស្វ័យគុណនៃគោលដូចគ្នា ត្រូវបូកនិទស្សន្តរបស់ពួកវា។ បូក 75 និង -6 ដើម្បីទទួលបាន 69។
50\times 1000r^{2}=9\times 10^{69}\times 80\left(-6\right)
គណនាស្វ័យគុណ 10 នៃ 3 ហើយបាន 1000។
50000r^{2}=9\times 10^{69}\times 80\left(-6\right)
គុណ 50 និង 1000 ដើម្បីបាន 50000។
50000r^{2}=9\times 1000000000000000000000000000000000000000000000000000000000000000000000\times 80\left(-6\right)
គណនាស្វ័យគុណ 10 នៃ 69 ហើយបាន 1000000000000000000000000000000000000000000000000000000000000000000000។
50000r^{2}=9000000000000000000000000000000000000000000000000000000000000000000000\times 80\left(-6\right)
គុណ 9 និង 1000000000000000000000000000000000000000000000000000000000000000000000 ដើម្បីបាន 9000000000000000000000000000000000000000000000000000000000000000000000។
50000r^{2}=720000000000000000000000000000000000000000000000000000000000000000000000\left(-6\right)
គុណ 9000000000000000000000000000000000000000000000000000000000000000000000 និង 80 ដើម្បីបាន 720000000000000000000000000000000000000000000000000000000000000000000000។
50000r^{2}=-4320000000000000000000000000000000000000000000000000000000000000000000000
គុណ 720000000000000000000000000000000000000000000000000000000000000000000000 និង -6 ដើម្បីបាន -4320000000000000000000000000000000000000000000000000000000000000000000000។
r^{2}=\frac{-4320000000000000000000000000000000000000000000000000000000000000000000000}{50000}
ចែកជ្រុងទាំងពីនឹង 50000។
r^{2}=-86400000000000000000000000000000000000000000000000000000000000000000
ចែក -4320000000000000000000000000000000000000000000000000000000000000000000000 នឹង 50000 ដើម្បីបាន-86400000000000000000000000000000000000000000000000000000000000000000។
r=2400000000000000000000000000000000\sqrt{15}i r=-2400000000000000000000000000000000\sqrt{15}i
សមីការរឥឡូវនេះត្រូវបានដោះស្រាយ។
50\times 10^{3}r^{2}=9\times 10^{9}\times 80\times 10^{66}\left(-6\right)\times 10^{-6}
អថេរ r មិនអាចស្មើនឹង 0 បានទេ ដោយសារការចែកនឹងសូន្យមិនត្រូវបានកំណត់។ ធ្វើប្រមាណវិធីគុណជ្រុងទាំងពីរនៃសមីការរដោយ r^{2}។
50\times 10^{3}r^{2}=9\times 10^{75}\times 80\left(-6\right)\times 10^{-6}
ដើម្បីគុណស្វ័យគុណនៃគោលដូចគ្នា ត្រូវបូកនិទស្សន្តរបស់ពួកវា។ បូក 9 និង 66 ដើម្បីទទួលបាន 75។
50\times 10^{3}r^{2}=9\times 10^{69}\times 80\left(-6\right)
ដើម្បីគុណស្វ័យគុណនៃគោលដូចគ្នា ត្រូវបូកនិទស្សន្តរបស់ពួកវា។ បូក 75 និង -6 ដើម្បីទទួលបាន 69។
50\times 1000r^{2}=9\times 10^{69}\times 80\left(-6\right)
គណនាស្វ័យគុណ 10 នៃ 3 ហើយបាន 1000។
50000r^{2}=9\times 10^{69}\times 80\left(-6\right)
គុណ 50 និង 1000 ដើម្បីបាន 50000។
50000r^{2}=9\times 1000000000000000000000000000000000000000000000000000000000000000000000\times 80\left(-6\right)
គណនាស្វ័យគុណ 10 នៃ 69 ហើយបាន 1000000000000000000000000000000000000000000000000000000000000000000000។
50000r^{2}=9000000000000000000000000000000000000000000000000000000000000000000000\times 80\left(-6\right)
គុណ 9 និង 1000000000000000000000000000000000000000000000000000000000000000000000 ដើម្បីបាន 9000000000000000000000000000000000000000000000000000000000000000000000។
50000r^{2}=720000000000000000000000000000000000000000000000000000000000000000000000\left(-6\right)
គុណ 9000000000000000000000000000000000000000000000000000000000000000000000 និង 80 ដើម្បីបាន 720000000000000000000000000000000000000000000000000000000000000000000000។
50000r^{2}=-4320000000000000000000000000000000000000000000000000000000000000000000000
គុណ 720000000000000000000000000000000000000000000000000000000000000000000000 និង -6 ដើម្បីបាន -4320000000000000000000000000000000000000000000000000000000000000000000000។
50000r^{2}+4320000000000000000000000000000000000000000000000000000000000000000000000=0
បន្ថែម 4320000000000000000000000000000000000000000000000000000000000000000000000 ទៅជ្រុងទាំងពីរ។
r=\frac{0±\sqrt{0^{2}-4\times 50000\times 4320000000000000000000000000000000000000000000000000000000000000000000000}}{2\times 50000}
សមីការរនេះមានទម្រង់ស្ដង់ដារ៖ ax^{2}+bx+c=0។ ជំនួស 50000 សម្រាប់ a, 0 សម្រាប់ b និង 4320000000000000000000000000000000000000000000000000000000000000000000000 សម្រាប់ c នៅក្នុងរូបមន្តកាដ្រាទីក, \frac{-b±\sqrt{b^{2}-4ac}}{2a}។
r=\frac{0±\sqrt{-4\times 50000\times 4320000000000000000000000000000000000000000000000000000000000000000000000}}{2\times 50000}
ការ៉េ 0។
r=\frac{0±\sqrt{-200000\times 4320000000000000000000000000000000000000000000000000000000000000000000000}}{2\times 50000}
គុណ -4 ដង 50000។
r=\frac{0±\sqrt{-864000000000000000000000000000000000000000000000000000000000000000000000000000}}{2\times 50000}
គុណ -200000 ដង 4320000000000000000000000000000000000000000000000000000000000000000000000។
r=\frac{0±240000000000000000000000000000000000000\sqrt{15}i}{2\times 50000}
យកឬសការ៉េនៃ -864000000000000000000000000000000000000000000000000000000000000000000000000000។
r=\frac{0±240000000000000000000000000000000000000\sqrt{15}i}{100000}
គុណ 2 ដង 50000។
r=2400000000000000000000000000000000\sqrt{15}i
ឥឡូវដោះស្រាយសមីការរ r=\frac{0±240000000000000000000000000000000000000\sqrt{15}i}{100000} នៅពេល ± គឺជាសញ្ញាបូក។
r=-2400000000000000000000000000000000\sqrt{15}i
ឥឡូវដោះស្រាយសមីការរ r=\frac{0±240000000000000000000000000000000000000\sqrt{15}i}{100000} នៅពេល ± គឺជាសញ្ញាដក។
r=2400000000000000000000000000000000\sqrt{15}i r=-2400000000000000000000000000000000\sqrt{15}i
សមីការរឥឡូវនេះត្រូវបានដោះស្រាយ។
ឧទាហរណ៏
សមីការ Quadratic
{ x } ^ { 2 } - 4 x - 5 = 0
ត្រីកោណមាត្រ
4 \sin \theta \cos \theta = 2 \sin \theta
សមីការ Linear
y = 3x + 4
គណិតវិទ្យា
699 * 533
ម៉ាទ្រីស
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
សមីការដំណាលគ្នា
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
ភាពខុសគ្នា
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
សមាហរណកម្ម
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
ដែន កំណត់
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}