Math, asked by lakshithaAmballa, 2 months ago

expand using identity (3p - 5q - r)²

Answers

Answered by regatinikhitha2004

3

Step-by-step explanation:

let a=3p-5q and b=r

this is in the form of (a-b)²

(3p-5q)²-2(3p-5q)r+r²

9p²-30pq+25q²-6pr+10qr+r²

I will be happy if it helps☺️

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