Question

Show that the quadratic equation x square - 8 x + 18 is equal to zero has no real solution

Answer 1

Answer:

Given Equation is,

x^2-8x+18 = 0

a = 1,b = -8,c = 18

d = b^2-4ac

d = (-8)^2-(4*1*18)

d = 64 - 72

d = -12

Since d is -ve, the roots of the given Equation are not Real