paigeypaigey2133 paigeypaigey2133

15-02-2024
Mathematics

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What is the derivative of f(x) = cos^4 x - 2x^2?
A) 4cos^3 x - 4x
B) -4cos^3 x + 4x
C) -4cos^3 x - 4x
D) 4cos^3 x + 4x

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