Q21 of 82 Page 4

If  is a solution of the quadratic equation 3x2 + 2kx – 3 = 0, find the value of k. (CBSE 2015)

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


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