Question

if 1 is a root of the quadratic equation 3x^2+ax-2=0 and the quadratic equation -a(x^2-bx)-ba=0 has equal roots find the value of b​

Answer 1

1) put value of x=1 on equation 1 then value of a will come .

2) use d=b²-4ac in equation 2 and then in d wherever place (a) come put it's value then value of (b) come.
3) it says that it has equal roots in place of (d) use (0).

hope it may help u