If 2s = a + b + c, then what is s(s-a)(s-b)(s-c) [ (1 / s-a) + (1 / s-b) + (1 / s-c) - (1 / s)] equal to?

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Quantitative Aptitude

If 2s = a + b + c, then what is s(s-a)(s-b)(s-c) [ (1 / s-a) + (1 / s-b) + (1 / s-c) - (1 / s)] equal to?

This question was previously asked in

CDS 2 2025 Maths Question Paper (14-Sep-2025)

abc

2abc

4abc

ab+bc+ca

The correct answer is

abc

By simplifying the given expression using algebraic methods, it can be shown that the result is equal to abc. Hence, the correct answer is (a) abc.

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