if x=3 is one root of the quadratic equation xsquare -2kx-6 then find the value of k
Answers
Answered by
2
x square -2kx-6
3×3-2×k×3-6=0
9-6k-6=0
3-6k=0
-6k=-3
k=-3/-6
k=1/2
3×3-2×k×3-6=0
9-6k-6=0
3-6k=0
-6k=-3
k=-3/-6
k=1/2
Similar questions