BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

Discuss Forum

1. $a ≢ 0$

A. $a^{2}$
B. $a^{2}$
C. $a^{2}$
D. $a^{2}$

Answer: Option D

Explanation:

(a^-1)^-1
=(1/a)^-1
=1/(1/a)
=1*a/1
=a
(ans)

Post your comments here:

Name:

Mobile:

Email:(Optional)

» Your comments will be displayed only after manual approval.