expand (2a + b) ² please tell fast
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(2a+b)²
(2a)²+b²+2(2a)b
4a²+b²+4ab
(2a)²+b²+2(2a)b
4a²+b²+4ab
shrutipari:
(2a)^2+2.2ab+b^2:4a^2+4ab+b^2
it is correct answer
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(2a+b)^2 = 4a^2+b^2+4ab
Hope this would help you.
Hope this would help you.
It's 100% correct
i knoe
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