Read and analyze the given problem. Write your answer on a separate sheet of paper. Show your complete solution - 1. What is the value of a so that ar? - 4x + 3 = 0 has discriminant equal to - 2? 2. Find the values of k such that x2 + 3x + k = 0 has 2 equal real roots 3. What are the values of k so that 5x - 2x + (k+5) = 0 has two unequal imaginary roots?​