Question

if one of the roots of the qurqdractic equetion X2-11x+k=0then find the value of k

Answer 1

We know that- b^2-4ac>=0. Therefore, given that x^2-11x+k=0. Substituting the values, we get- +121-4*1*k=0 . Solving further, we get- 121/4=k.