Question 1 (i)
Find the nature of the roots of the following quadratic equations. If the real roots exist, find them;
(i) 2x2−3x+5=0
Open in App
Solution
(i) Consider the equation, 2x2−3x+5=0
Comparing it with ax2+bx+c=0, we get
a = 2, b = -3 and c = 5 Discriminant(D)=b2−4ac =(−3)2−4(2)(5)=9−40 =−31 Since,D<0
No real root is possible for the given equation.