Q1 of 157 Page 22

Choose the correct answer for the following:

(a2 – b2) = (a – b) × ________

(a – b) × (a + b) = a2 + ab – ab – b2


⇒ (a – b) × (a + b) = a2 – b2


So, (a2 – b2) = (a – b) × (a + b)

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