X+Y, X-Y, X²-Y² এর গ.সা.গু কত?

A 1

B X²-Y²

C X - Y

Solution

Correct Answer: Option A

১ম রাশি =x+y
২য় রাশি =x-y
৩য় রাশি =x²-y²
               =(x+y)(x-y)
অতএব ,গ.সা.গু =1

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