If y = x cosx, find dydx d y d x .

Question 1 Report

If y = x cosx, find $\frac{d y}{d x}$ .

cos x - x sinx

sinx - x cosx

sin x + x cosx

cosx + x sin x

Answer Details

If y = x cosx, find $\frac{d y}{d x}$ .
Using product rule $\frac{d y}{d x}$ = cosx - x sinx

Read lesson note on Sequence And Series (WAEC)

Sequence And Series

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