Find the nature of the roots of the following quadratic equations.if t

This question was asked in Ex 4.3, 3

Find the nature of the roots of the following quadratic equations.if the real roots exist, find them:
(I)2x²-3x+5=0
(Ii)3x²-4√3x+4=0
(Iii)2x²-6x+3=0