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Show that. (9p – 5q)^2+ 180pq = (9p + 5q)^2 Show that. (9p – 5q)^2+ 180pq = (9p + 5q)^2

Show that.  
 (9p – 5q)^2+ 180pq = (9p + 5q)^2
Show that.  
 (9p – 5q)^2+ 180pq = (9p + 5q)^2

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

LHS = (9p–5q)^2+ 180pq
= 81p^2- 90pq + 25q^2+ 180pq
= 81p^2+ 90pq + 25q^2
RHS = (9p + 5q)^2
= 81p^2+ 90pq + 25q^2
LHS = RHS

Thanks

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