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Q. What is the value of (a - b), if (a^2 - b^2)/(a + b) = 25?
According to the identity, a^2 - b^2 = (a + b) (a - b) It is given that (a^2 - b^2)/(a + b) = 25 So, it can be written as (a + b) (a - b)/(a + b) = 25 Hence, (a - b) = 25
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