a,b,c are positive real numbers forming ...

a,b,c are positive real numbers forming a. G.P. If `ax ^(2) + 2 bx + c=0 and dx ^(2) + 2 ex + f =0` have a common root, pairs (a,b) of real numbers such that `d/a,e/b,f/c` are in arithmetic progression.

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RESONANCE ENGLISH-SEQUENCE & SERIES -EXERCISE -1 PART -I RMO

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