How do you differentiate $f(x) = 2x - x sin x$ ?

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Answer 1 · 2015-05-23T01:53:43

As for the second part of your subtraction, we will use product rule, which states that if $y=f(x)g(x)$ , then $y'=f'(x)g(x)+f(x)g'(x)$

$(dy)/(dx)=2-(1*sinx+x*(cosx))$
$(dy)/(dx)=2-sinx-xcosx$

How do you differentiate f(x) = 2x - x sin xf(x) = 2x - x sin x?