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If 1 is the root of equation 3x^2+ax-2=0...

If 1 is the root of equation `3x^2+ax-2=0` and the quadratic equation `a(x^2+6x)-b=0` has equal roots. Find the value of b.

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The given quadratic eqaution is `3x2+ax-2=0`
and one root is `1`
then, it satisfies the given eqn
`3(1)^2+a(1)-2=0`
...
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