If a and b are fixed non-zero constants, then the derivative of {a}/{x^{4}}-{b}/{x^{2}}+\cos x is m a+n b-p, where

Correct Answer is : m=−4x5,n=2x3 and p=sinx

m=4 x^{3}, n={-2}/{x^{3}} and p=\sin x

m \={-4}/{x^{5}}, n={2}/{x^{3}} and p=\sin x

m={-4}/{x^{3}}, n={-2}/{x^{3}} and p=\sin x

m=4 x^{3}, n={2}/{x^{3}} and p=-\sin x

KCET 2021 Math Solved Paper

Question : 22 of 60

Marks: +1, -0

If a and b are fixed non-zero constants, then the derivative of

−

+cos‌x is ma+nb−p, where

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