WBJEE 2023 Math Solved Paper

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Question : 58 of 75

Marks: +1, -0

Consider a quadratic equation ax2+2bx+c=0 where a,b,c are positive real numbers. If the equation has no real root, then which of the following is true?

a, b, c cannot be in A.P. or H.P. but can be in G.P.
a, b, c cannot be in G.P. or H.P. but can be in A.P.
a, b, c cannot be in A.P. or G.P. but can be in H.P.
a, b, c cannot be in A.P., G.P. or H.P.

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