Question

if x=3is one roots of the quadrante of x²-2k-6=0 then find tha value of k

Answer 1

x² -2k -6 =0

3² -2k =6

9-2k =6

9-6 = 2k

3=2k

3/2 =k


I hope this will help you

-by ABHAY

Answer 2

X=3 will satisfy equation

=> 9-2k-6 = 0

=> k =1.5