Differentiate w.r.t. x
16x^{3}
Evaluate
4x^{4}
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4\times 4x^{4-1}
The derivative of ax^{n} is nax^{n-1}.
16x^{4-1}
Multiply 4 times 4.
16x^{3}
Subtract 1 from 4.
4x^{4}
Divide 8 by 2 to get 4.
Examples
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