x - [x - {x - (x + 1)}] এর মান কত?

x - [x - {x - (x + 1)}] এর মান কত?

A -2

B -1

C 3

D 6

Solution

Correct Answer: Option B

x - [x - {x - (x + 1)}]
= x - [x - {x - x - 1}]
= x - [x - {- 1}]
= x - [x + 1]
= x - x - 1
= - 1