Question on: JAMB Mathematics - 2007
If y = x cosx, find (\frac{dy}{dx}).
A
cos x - x sinx
B
sinx - x cosx
C
sin x + x cosx
D
cosx + x sin x
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Correct Option: A
If y = x cosx, find (\frac{dy}{dx}).
Using product rule (\frac{dy}{dx}) = cosx - x sinx
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