Question

If one of the root quadratic equations x2_kx+8=0 is-
4 the find the value of k

Answer 1

Answer:

X2 −kx+8=0, if 4 is one of the root then it should satisfy the following condition

4(2)−k(4)+8=0

⟹16−4k+8=0

⟹4k=24

or k=6