Math, asked by aryanbakhda, 7 months ago

factorise
9p2 + 16q2 - 49r2 - 16s2 -24 pq + 56 rs

Answers

Answered by yadavanirudh809

5

Answer:

9p2+16q2-24pq-49r2-16r2+56rs

(3p)2+(4q)2-24pq-(7r)2-(4s)2+56

(3p+4q)^2-(7r-4s)^2

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