Question

find the value of p nd q so that 1 and -2 are the zeroes of the polynomial x3+10x2+px+q​

Answer 1

in the equation when we put X=1

we get p+q=-11••••••(1)

and if we put X=-2

we get 2p+q=-32••••••••(2)

after solving 1&2 you get

p=-21&q=10

Answer 2

Answer: p=7

              q=18

Hope you find it helpful :)