Question

20. If y = cos x^2 then third order derivative Y3 =
a) 8x^3 sin x^2-12x cos x^4
c)4x cos x^2 - 8x^3 sin x^2
b) 8x^3 sin x^2-4x cos x^2
d) 12x cos x^2 - 8x3 sin x^2
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Answer 1

Answer:

correct answer is C

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