Math, asked by noornks5716, 3 months ago

20
8. Expand: (4a -7b)2 using
algebraic formula.

Answers

Answered by rnavsheen

0

Answer:

using identity (a-b)2

(4a-7b)2

= 16a2 + 49b2 -2(28ab)

= 16a2 + 49b2 -56ab

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