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The equation x^3 -3qx +2r =0 has a r...

The equation `x^3 -3qx +2r =0` has a repeated root then

A

`q^2 =r^3`

B

`q=r^2`

C

`q^3 =r`

D

`q^3 =r^2`

Text Solution

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The correct Answer is:
D
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