Expand:- (4a-2b+3c)²:-
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Step-by-step explanation:
= (4a)²+(2b)²+(3c)²+2(4a)(-2b) +2(-2b)(3c) + 2(3c)(4a)
= (4a)²+ (2b)²+ (3c)² +-16ab -12bc +24ac ANS.
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