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1. x-[x-{x-(x+1)}]= কত?

  • A. x+1
  • B. x+1
  • C. x+1
  • D. x+1

Answer: Option D

Explanation:

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

= x - [x - { x - x - 1}]

= x - [ x + 1]

= x - x - 1

= - 1

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