In \triangle \A \B \C, if \cot \A, \cot \B and \cot \C are in AP, then \a^2, \b^2 and \c^2 are in

CGPET 2015 Solved Paper

Section: Mathematics

Question : 141 of 150

Marks: +1, -0

In △ABC, if cot‌A,cot‌B and cot‌C are in AP, then a2,b2 and c2 are in

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