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The difference between two roots of the equation $x^3-13x^2+15x+189=0$ is 2. Then the roots of the equation are :
\[\begin {array} {1 1} (a)\;-3,5,7 & \quad (b)\;-3,-7,-9 \\ (c)\;3,-5,7 & \quad (d)\;-3,-7,9 \end {array}\]
jeemain
eamcet
math
2006
q15
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Nov 5, 2013
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meena.p
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(a) -3,5,7
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Nov 7, 2013
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pady_1
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