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1.
(-1) × (-1) × (-1) + (-1) (-1) = কত?
- A. 2
- B. 2
- C. 2
- D. 2
Answer: Option D
Explanation:
( - 1)*( - 1)*( - 1) + (1)*( - 1)
= 1*( - 1) + ( - 1)
= - 1 - 1
= - 2
কারন, ( - )*( - ) = +
( + )*( - ) = ( - )
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1.
(-1) × (-1) × (-1) + (-1) (-1) = কত?
Answer: Option D
Explanation:
( - 1)*( - 1)*( - 1) + (1)*( - 1)
= 1*( - 1) + ( - 1)
= - 1 - 1
= - 2
কারন, ( - )*( - ) = +
( + )*( - ) = ( - )
Post your comments here: