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SSC CGL 2023 PYQ — Question 61

SSC CGL - 20 July 2023 - Shift 1 • Quantitative Aptitude • Q61

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Simplify the expression 12−m2(1+m)2\frac{1^2-m^2}{(1+m)^2} provided (1 + m) ≠\neq 0.

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Correct answer: B

Explanation

The correct answer is Option 2 i.e. 1−m1+m\frac{1-m}{1+m}.

⇒ 12−m2(1+m)2\frac{1^2-m^2}{(1+m)^2} 

⇒ (1+m)(1−m)(1+m)2(1+m)(1-m)\over{(1+m)^2} = (1−m)(1+m)(1-m)\over{(1+m)}