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Question
Differentiate the following with respect to x.
x4 – 3 sin x + cos x
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Solution
Let y = x4 – 3 sin x + cos x
`"dy"/"dx" = "d"/"dx" (x^4) - 3 "d"/"dx" (sin x) + "d"/"dx" (cos x)`
= 4x3 – 3 cos x – sin x
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