For , the derivative…

MATHEMATICS · Single correct · CBSE · Mathematics · Limits and Derivatives · Limits and Derivatives

Problem

For p(x)=6x7−5x3+2sin⁡x−4cos⁡xp(x)=6x^{7}-5x^{3}+2\sin x-4\cos x, the derivative p′(x)p'(x) equals (a) 42x6−15x+2cos⁡x+4sin⁡x42x^{6}-15x+2\cos x+4\sin x (b) 42x6−15x2+2sin⁡x+4cos⁡x42x^{6}-15x^{2}+2\sin x+4\cos x (c) 42x6−15x2+2cos⁡x+4sin⁡x42x^{6}-15x^{2}+2\cos x+4\sin x (d) 42x6−15x2+2cos⁡x−4sin⁡x42x^{6}-15x^{2}+2\cos x-4\sin x

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