Derivative of -2x^2cos(x)

Derivative of -2x^2cos(x). Simple step by step solution, to learn. Simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

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Derivative of -2x^2cos(x): 


(-2*x^2*cos(x))'

(-2*x^2)'*cos(x)-2*x^2*(cos(x))'

((-2)'*x^2-2*(x^2)')*cos(x)-2*x^2*(cos(x))'

(0*x^2-2*(x^2)')*cos(x)-2*x^2*(cos(x))'

(0*x^2-2*2*x^(2-1))*cos(x)-2*x^2*(cos(x))'

(0*x^2-2*2*x)*cos(x)-2*x^2*(cos(x))'

-4*x*cos(x)-2*x^2*(cos(x))'

-4*x*cos(x)-2*x^2*(-sin(x))

2*x^2*sin(x)-(4*x*cos(x))

The calculation above is a derivative of the function f (x)

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