How do you find the derivative of $2 x cos (x^{2})$ $2x cos(x^2)$ ?

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Answer 1 · 2016-01-01T16:59:52

Use the product and chain rules ...

$\frac{d}{d x} = 2 cos (x^{2}) + 2 x (- sin (x^{2}) \times 2 x)$ $d/(dx)=2cos(x^2)+2x(-sin(x^2)xx2x)$

$= 2 cos (x^{2}) - 4 x^{2} sin (x^{2})$ $=2cos(x^2)-4x^2sin(x^2)$

hope that helped

How do you find the derivative of 2xcos(x2)2x cos(x^2)?