Question

9.If alpha and beta are the
zeroes of the polynomial P(x) =
x^2 - 5X+ 6, then the value of
alpha + beta -3alpha beta is
O 12
0-12
O 13
0-13​

Answer 1

Answer:

Answer is -13

Alpha + beta = 5

And Alpha beta = 6

Then 5-3(6) = 5-18 = -13