Math, asked by aarush143, 9 months ago

Expand (2x + 3y)(2x – 3y)(4x2 + 9y2) using identity.

Answers

Answered by sayan3463
3

Step-by-step explanation:

(2x + 3y)(2x-3y)(4x2 + 9y2)

(2x + 3y)(2x-3y)(2x)2 + (3y)2

{(2x)2 - (3y)2}{(2x)2 + (3y)2}

(2x2-3y2+2x2 + 3y2)(2x2 - 3y2 - 2x2 -3y2)

4x2 × (- 9 y2)

-36x2y2

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