Find $\frac { d y } { d x } .$

question 83

Essay

Find $\frac { d y } { d x } .$ (a) $y = 7 ^ { 3 } + x ^ { 3 }$ (b) $y = x ^ { 50 } + 25 x - 1$ (c) $y = \left( x ^ { 3 } - 3 \sqrt [ 3 ] { x } \right) / x$ (d) $y = 2 e ^ { x } + x ^ { e }$

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