How do you differentiate f(x)=3x^2-2cosx?

1 Answer
Jim G.
Sep 7, 2017

f'(x)=6x+2sinx

Explanation:

"differentiate using the "color(blue)"power rule/standard derivative"

•color(white)(x)d/dx(ax^n)=nax^(n-1)larr" power rule"

•color(white)(x)d/dx(cosx)=-sinxlarr" standard derivative"

rArrf'(x)=6x(-2xx-sinx)=6x+2sinx

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