Math, asked by Surjitkumar1, 1 year ago

if x is equal to 3 is 1 root of the quadratic equation X square minus 2 k x minus 6 is equal to zero then find the value of k

Answers

Answered by abhi569
6
x^2 -2kx -6 = 0


putting the value of x,

3^2 -(2*3)k = 6

9 - 6k = 6

-6k = 6-9

-6k =  -3

6k = 3

k = 3/6

k = 1/2


i hope this will help you


-by ABHAY
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