Question

If the roots of 2z^2-6x+k =0 are real and equal the find k​

Answer 1

Answer:

Discriminant(b^2 - 4ac) of Quadratic equation is zero. 2x2- 6x + k = 0, the roots of are real and equal. Therefore Discriminant of Quadratic equation is zero.

Answer 2

Answer:

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Step-by-step explanation:

the roots of the quadratic equation are real and equal

b²- 4ac = 0

(-6)²-4×2×k = 0

- 8k = - 36

k= 9/2