Question

if x=3 is one root of the quadratic equation x2-2kx-6=0,then find the value of k

Answer 1

Heya !!!



X = 3




P(X) = X² - 2KX -6





P(3) = (3)² - 2 × K × 3 -6






=> 9 - 6K -6 = 0





=> -6K +3 = 0





=> -6K = -3




=> K = 3/6 = 1/2




★ HOPE IT WILL HELP YOU ★