Question

a b c are positive numbers in G.P.and the equation (a+di)x^(2)+2(b+ei)x+(c+if)=0 have one real root.Then a/d b/e c/f are in (a b c d e f belongs to R) (a) A.P.(b) G.P.(c) H.P.(d) none of these​

Answer 1

Answer:

above is answer

Step-by-step explanation:

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