2 Answers
এখানে,
a^2-2ab+b^2
= (a-b)^2
= (a-b) (a-b)
বিকল্প,
a^2-2ab+b^2
= a^2-ab-ab+b^2
= a(a-b)-b(a-b)
= (a-b) (a-b)
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Answered
এখানে,
a^2-2ab+b^2
= (a-b)^2
= (a-b) (a-b)