How do you differentiate #f(x)=3x^2-2cosx#?
1 Answer
Sep 7, 2017
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#
