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(9p-5q)^2=can anyone plss answers this ​
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9 votes
(9p-5q)^2=can anyone plss answers this ​

User Dipen Dadhaniya
by
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1 Answer

8 votes

Explanation:


{(9p - 5q)}^(2)

Hence according to ,


{(a - b)}^(2) = {a}^(2) - 2ab + {b}^(2)

So,


{(9p)}^(2) - 2 * 9p * 5q + {(5q)}^(2)


81 {p}^(2) - 90pq + 25 {q}^(2) (ans)

User Gaurav Fotedar
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