1
WB JEE 2019
MCQ (More than One Correct Answer)
+2
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Let x1, x2 be the roots of $${x^2} - 3x + a = 0$$ and x3, x4 be the roots of $${x^2} - 12x + b = 0$$. If $${x_1} < {x_2} < {x_3} < {x_4}$$ and $${x_1},{x_2},{x_3},{x_4}$$ are in GP, then ab equals
A
$${{24} \over 5}$$
B
64
C
16
D
8
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