Find the value of k for which sum of the roots of the equation 3x
2
– (3x – 2)x – (k –6)=0
is equal to the product of its roots
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we know that for equal roots the discriminant must be equal to 0
so , D=0
but for it to have two equal roots the equation should be quadratic , but as we expand the eq. we get ,
3x^2-3x^2+2x-k+6=0
2x-k+6 = 0
so we see that , 2x-k+6=0 is not a quadratic equation .
so , D=0
but for it to have two equal roots the equation should be quadratic , but as we expand the eq. we get ,
3x^2-3x^2+2x-k+6=0
2x-k+6 = 0
so we see that , 2x-k+6=0 is not a quadratic equation .
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