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If 1,2,3 and 4 are the roots of the equation $x^4+ax^3+bx^2+cx+d=0$, then $a+2b+c$ is equal to
\[\begin {array} {1 1} (a)\;-25 & \quad (b)\;0 \\ (c)\;10 & \quad (d)\;24 \end {array}\]
jeemain
eamcet
math
2007
q16
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Oct 24, 2013
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meena.p
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Nov 7, 2013
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