C-05-Q120mediumsingle_mcqSolution set of x2−(a+b)x+ab=0x^2 - (a + b)x + ab = 0x2−(a+b)x+ab=0 is—a{a,b}\{a, b\}{a,b}b{−a,−b}\{-a, -b\}{−a,−b}c