Differentiate w.r.t. x_3
-\frac{78}{x_{3}^{2}}
Evaluate
\frac{78}{x_{3}}
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-78x_{3}^{-1-1}
The derivative of ax^{n} is nax^{n-1}.
-78x_{3}^{-2}
Subtract 1 from -1.
Examples
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Matrix
\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]
Simultaneous equation
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Integration
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Limits
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