x3-2x2, x2-4 এবং xy-2y এর গ.সা.গু নির্ণয় কর?

A x-2

B x-3

C x-4

D x-5

Solution

Correct Answer: Option A

১ম রাশি = x3-2x2

= x2(x-2)

২য় রাশি = x2-4
=x2 - 22

=(x+2)(x-2)

৩য় রাশি = xy-2y
=y(x-2)
∴গ.সা.গু = x-2

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