Question

Expand using identities (3pq-5rs)2​

Answer 1

Answer:

Here Identity 2 is use

so, (3pq)2 - 2(3pq)(5rs) + (5rs)2

so, 9p2q2 - 30pqrs + 25r2s2

Step-by-step explanation:

Answer is 9p2q2 - 30pqrs + 25r2s2

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