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Find the condition on a , b ,c ,d such t...

Find the condition on `a , b ,c ,d` such that equations `2a x^2+b^2+c x+d=0a n d2a x 62+3b x+4x=0` have a common root.

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The correct Answer is:
`=(9)/(2)(bd+4c^(2))(b^(2)-ac)`
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