turunan f(x)=(x^2-1) cos 2x
Matematika
ega318
Pertanyaan
turunan f(x)=(x^2-1) cos 2x
1 Jawaban
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1. Jawaban keruasriki
f'(x) = 2x(cos2x) + (x^2 - 1)(-2sin2x)
f'(x) = 2xcos2x - 2x^2 sin2x + 2sin2x