Find $\frac { d y } { d x }$ (A) $y = \left( \frac { x + 1 } { x - 3 } \right) ^ { 4 }$

question 226

Essay

Find $\frac { d y } { d x }$ .(a) $y = \left( \frac { x + 1 } { x - 3 } \right) ^ { 4 }$ (b) $y = e ^ { 2 x } + e ^ { 99 }$ (c) $y = x e ^ { x ^ { 2 } + 7 }$ (d) $y = \tan \left( \sin x ^ { 2 } \right)$

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