If x = 3 , is a solution of the quadratic equation 3x²+ 2kx – 3 = 0, find the value of k.
Deepak BoraNewbie
Quadratic equations : If x = 3 , is a solution of the quadratic equation 3x²+ 2kx – 3 = 0, find the value of k.
Share
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
If x=3 is the solution for the quadratic equations 3x²+2kx-3=0
∴ value of x must satisfy this equation,
Substituting the value of x
3(3)²+2k(3)-3=0
27+6k-3=0
6k+24=0
∴ k= -4