Question

using identities find the product by using (P_1/2)2​

Answer 1

Answer:

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Answer 2

Answer:

We need to find value of (p−3)(p+3)

Using identity (x−y)(x+y)=x

2

−y

2

Therefore, (p−3)(p+3)=(p)

2

−(3)

2

=p

2

−9

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