Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Calculus

Question:

For $y=x^3\, log_ex, x> 0$

A. $\left.\frac{dy}{dx}\right]_{x=e}=4e$

B. $\frac{d^2y}{dx^2}=x^2(5+log_ex^3)$

C. $\frac{dy}{dx}=x^2(1+log_ex^3)$

D. $\left.\frac{d^2y}{dx^2}\right]_{x=e}=11e$

E. $\left.\frac{d^2y}{dx^2}\right]_{x=1}=5$

Choose the correct answer from the options given below :

Options:

A, B, C, E

A, B, E, D

C, D, E

B, D, E

Correct Answer:

C, D, E