Differentiate w.r.t. x
65x^{4}
Evaluate
13x^{5}
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\frac{\mathrm{d}}{\mathrm{d}x}(13x^{5})
Combine 4x^{5} and 9x^{5} to get 13x^{5}.
5\times 13x^{5-1}
The derivative of ax^{n} is nax^{n-1}.
65x^{5-1}
Multiply 5 times 13.
65x^{4}
Subtract 1 from 5.
13x^{5}
Combine 4x^{5} and 9x^{5} to get 13x^{5}.
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