Question

Find the roots of the following quadratic equation, if they exist by the method of completing square.

$2 {x}^{2} + x + 4 = 0$

Answer 1

2x²+x+4=0
d=b²-4ac
d=(1)²-4(2)(4)
d=1-32
d=-31
therefore,d<0
so ,roots of this equation does not exist.

Answer 2

Roots r not possible........