Q1 Using identity (x - a) (x +a)=X-a find 6²-5²
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Answer:
11
Step-by-step explanation:
= 6^2 - 5^2
(using ( x - a ) ( x + a ) = x^2 - a^2)
= ( 6 - 5 ) ( 6 + 5 )
= ( 1 ) ( 11 )
= 11
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