फुवारना लिर-
(i) (a - 2b)²
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Answered by
24
Answer:
a²-4ab+4b²
Step-by-step explanation:
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Answered by
4
(a-2b) ^2
(a-2b) (a-2b)
a(a-2b) -2b(a-2b)
a^2-2ab-2b(a-2b)
a^2-2ab-2ab+4b^2
a^2-4ab+4b^2
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