Math, asked by idklolz873, 17 hours ago

find the value using suitable identities: a) (2r - 1) (2r +1) (4r²+1)
b) (2x+4y)²

Answers

Answered by sangitavpatil1jan

1

Answer:

(3x−4y)

2

=(3x)

2

−2(3x)(4y)+(4y)

2

=9x

2

−24xy+16y

2

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