Problem: For each of the following equations, find the value(s) of the constant _ so that the equation has exactly one solution, and determine
the solution for each value.
(a) _x2 + x + 1 = 0
(b) x2 + _x + 1 = 0
(c) x2 + x + _ = 0
(d) x2 + _x + 4_ + 1 = 0
Need Help PLEASE.. THANKS IN ADVANCE..