If 
, is a solution of the quadratic equation 3x2 + 2kx – 3 = 0, find the value of k.
Since x = 
is the solution of the equation it should satisfy the equation
Putting value of x in the given equation
3(– 
)2 + 2 k (
) – 3 = 0
– k – 3 = 0
= k
15
If , is a solution of the quadratic equation 3x2 + 2kx – 3 = 0, find the value of k.
Since x = is the solution of the equation it should satisfy the equation
Putting value of x in the given equation
3(– )2 + 2 k () – 3 = 0
– k – 3 = 0
= k