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Three unequal positive numbers a, b, c are such that a, b, c are in G.P. while `log ((5c)/(2a)), log((7b)/(5c)), log((2a)/(7b))` are in A.P. Then a, b, c are the lengths of the sides of

A

an isosceles triangle

B

an equilateral triangle

C

a scalene triangle

D

a right-angled triangle

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2021-MULTIPLE CHOICE QUESTION
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