find the value of k, for which the equation 2x2+kx+8=o has real roots.also find k when will the roots be equal?
Here is the link for the answer to your query:
https://www.meritnation.com/discuss/question/1768261/1/
https://www.meritnation.com/ask-answer/question/if-one-root-of-the-equation-x2-7x-k-0-is-ndash/quadratic-equations/4345930
Follow solution (2) of second given link.