find the product of the following using the identity (a-b) (a+b) =a2-b2
i) (3pq-2) (3pq+2)
ii)(2x-3)(2x+3)
iii)(5x-8y) (5x+8y)
8 th class maths question
Chapter 6
Algebraic Expression
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Answered by
1
Answer:
i 9p2q2 - 4
ii 4x2 - 9
iii 26x2 - 64y2
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