[2 - 3(2 - 3) - 1] - 1 × 5 এর মান কত?

[2 - 3(2 - 3) ^{- 1}] ^{- 1} × 5 এর মান কত?

A 5

B - 1

C 1/5

D 1

Correct Answer: Option D

[2 - 3(2 - 3) ^{- 1}] ^{- 1} × 5
= [2 - 3( - 1)^{- 1}] ^{- 1} × 5
= [2 - 3(1/ - 1)] ^{- 1} × 5
= [2 + 3] ^{- 1} × 5
= (5) ^{- 1} × 5
= (1/5) × 5
= 1