(ii) (9p - 5q) + 180pq = (9p+5q)2
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Answer:
+ 180pq = ; LHS = RHS ; problem is verified.
Step-by-step explanation:
+ 180pq =
- = 180pq
(81 + 25 + 90pq) - (81 + 25 - 90pq) = 180pq
(81 + 25 ) - (81 + 25) + 90pq + 90pq = 180pq
90pq + 90pq = 180pq
180pq = 180pq
hence the problem is solved.
LHS = RHS
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