Advertisements
Advertisements
Question
If `y = log_e (x^2/e^2)`, then `(d^2y)/(dx^2)` equals
Options
`- 1/x`
`- 1/x^2`
`2/x^2`
`- 2/x^2`
MCQ
Advertisements
Solution
`bb(- 2/x^2)`
Explanation:
Given, `y = log_e (x^2/e^2)`
⇒ y = 2 loge x – loge e2
⇒ y = 2 loge x – 2
⇒ `dy/dx = 2/x`
⇒ `(d^2y)/(dx^2) = (-2)/x^2`
shaalaa.com
Is there an error in this question or solution?
