Determine the nature of root of each of the following : 2x^2 - 9x + 35
Comparing the given equation with ax2 + bx + c = 0, we get,
a= 2, b = –9 and c = 35
Then,
b2 – 4ac = (–9)2 – 4.2.35
= 81 – 280
= –199
Here, b2 - 4ac < 0
So, the roots are imaginary and unequal.