If , then…

MATHEMATICS · Single correct · A Level · Mathematics · Differentiation · Differentiation

Problem

If f(x)=5x6−4x4+3x2−7f(x)=5x^{6}-4x^{4}+3x^{2}-7, then f′(x)f'(x) equals (a) 30x5−16x4+6x230x^{5}-16x^{4}+6x^{2} (b) 30x5+16x3−6x30x^{5}+16x^{3}-6x (c) 30x5−16x3+6x30x^{5}-16x^{3}+6x (d) 30x5−16x3+6x−730x^{5}-16x^{3}+6x-7

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