Show that (a+b)2-4ab=(a-b)

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Posted by Neeraj Acharya 6 years, 11 months ago
- 1 answers
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Yogita Ingle 6 years, 11 months ago
LHS = (a + b)2 - 4ab
= a2 + 2ab + b2 - 4ab
= a2 - 2ab + b2
= (a -b)2
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