Math, asked by RosyJannath11, 1 month ago

Guys again help
Its really urgent

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Answered by maheshngowda617

2

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please mark me as a brainlist

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Answered by achumipro

3

b. (2a-3b+4c)²=(2a)²-(3b)²+(4c)²

=(2a)²(-3b)²+(4c)²+2(2a)(-3b)+2(-3b)+(4c)

+2(4c)(2a)

=4a²-9b²+16c²-12ab-24bc+16ac

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