Question

If x=is a zero of the polynomial p(x) = 2x3 + kx2 - 11x-6, find the
value of 'k.

Answer 1

Answer:

The sum of the zeroes of the equation ax

3

+bx

2

+cx+d is −b/a

Here the equation is 2x

3

−3kx

2

+4x−5

⇒ Sum of roots=3k/2

⇒ 3k/2=6

⇒ k=4

Therefore,Option B is correct.