# Math Diagnostic23#

The derivative of $$x^{3} \cos{\left(5 x \right)}$$ is

## Part 1#

• $$- 5 x^{3} \sin{\left(5 x \right)} + 3 x^{2} \cos{\left(5 x \right)}$$

• $$- 5 x^{3} \sin{\left(5 x \right)}$$

• $$3 x^{2} \sin{\left(5 x \right)}$$

• $$5 x^{3} \cos{\left(5 x \right)} + 3 x^{2} \sin{\left(5 x \right)}$$

• Don’t Know