1.

The quadratic in \[t\], such that A.M. of its roots is \[A\] and G.M. is G, is [IIT 1968, 1974]

A. \[{{t}^{2}}-2At+{{G}^{2}}=0\]
B. \[{{t}^{2}}-2At-{{G}^{2}}=0\]
C. \[{{t}^{2}}+2At+{{G}^{2}}=0\]
D. None of these
Answer» B. \[{{t}^{2}}-2At-{{G}^{2}}=0\]


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