Question

The factorisation of 64p^2-81q^2 involves in _________
A) (a+b)^2                  
 B)  (a-b)^2   
 C) a^2-b^2                  
D)  a^2+b^2
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Answer 1

Answer:-

= 64p^2-81q^2

= 8p^2-9q^2

Answer:- C) a^2-b^2