Question

x+ 2 x-2
X2
12. Prove that none of the following equations has any real solution.
(a) x2 + x +1 = 0
(b) x(x-1)+1 = 0​

Answer 1

Answer:

If the discriminant is less than 0, the equation has no real solution. Looking at the graph of a quadratic equation, if the parabola does not cross or intersect the x-axis, then the equation has no real solution. And no real solution does not mean that there is no solution, but that the solutions are not real numbers.

Step-by-step explanation: