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Find the derivative of given functions w...

Find the derivative of given functions w.r.t the corresponding independent varible.
`y = x^(2) sin^(4)x + x cos^(-2)x`.

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The correct Answer is:
`2xsin^(4)x+4x^(2)sin^(3)xcosx+cosx_cos^(-2)x+2x cos^(-3)x sinx`
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MOTION-VECTOR & CALCULUS-EXERCISE -2 (LEVEL - I) OBJECTIVE PROBLEMS
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  2. Find derivative of e^x tanx

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