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IPMAT Indore 2023 - QA (MCQ) Q28 Explanation
December 31, 2024
Explanation:
(d)
a+b/c+d = c+d/a+d (given)
= (a+b) (a+d) = (c+b) (c+d)
= a^2+a(b+d)+bd = c^2+c (b+d)+bd
= a^2 − c^2 + a (b+d) − c (b+d) = 0
= (a+c) (a-c) + (b+d) (a-c) = 0
= (a-c) (a+c+b+d) = 0
= a-c = 0 or a+b+c+d =0
= a= c or a+b+c+d = 0 Ans.