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Four points A(6,3),\ B(-3,5),\ C(4,-2)a ...

Four points `A(6,3),\ B(-3,5),\ C(4,-2)a n d\ D(x ,3x)` are given in such a way that `( D B C)/( A B C)=1/2,\ fin d\ xdot`

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The correct Answer is:
`x=(11)/(8) or (-3)/(8)`
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