1.

If the sum of the roots of the equation \[{{x}^{2}}+px+q=0\] is three times their difference, then which one of the following is true     [Dhanbad Engg. 1968]

A. \[9{{p}^{2}}=2q\]
B. \[2{{q}^{2}}=9p\]
C. \[2{{p}^{2}}=9q\]
D. \[9{{q}^{2}}=2p\]
Answer» D. \[9{{q}^{2}}=2p\]


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