a - [a - {a - (a + 1)}] এর মান কত?


A

a + 1


B

1


C

a - 1


D

- 1


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প্রশ্ন: a - [a - {a - (a + 1)}] এর মান কত?

সমাধান:
a - [a - {a - (a + 1)}]
= a - [a - {a - a - 1}]
= a - [a - {- 1}]
= a - [a + 1]
= a - a - 1
= - 1

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Updated: 20 hours ago

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