a - [a - {a - (a - a - 1)}] = কত?

A 1

B -1

C a - 1

D a + 1

Solution

Correct Answer: Option D

•  a - [a - {a - (a - a - 1)}]
= a - [a - {a + 1}]
= a - [a - a -1]
= a + 1

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