Question

One zero of the polynomial is negative of the other. Find the value of k in the polynomial 3x2 + 5kx + 28.​

Answer 1

Answer:

The question says one root is negative of others.

So, the sum of the roots must be zero.

For any quadratic equation

Like : ax

2

+bx+c=0

The sum of roots is given by

a

−b

Hope this is useful to you...