Question

9. Find the zeroes of the quadratic polynomial x + 5x + 6 and verify the
relationship between the zeroes and the coefficients.
10. If the zeroes of polynomial X - ax + bx - care in AP then show that 2a2- 9ab + 27c=0​

Answer 1

Answer:

Let x+5×+6=0

6x+6=0

6×=-6

×=-1

The zero of this p(×) is -1