Factorize:
a2+4b2-4ab-4c2
Given,
a2 +4b2-4ab-4c2 = (a)2+ (2b)2 – 2×a×2b-4c2
= (a-2b)2 – (2c)2
= (a-2b-2c)(a-2b+2c)
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Generated by AI. May contain inaccuracies — always verify with your textbook.