Question

Algebraically, find the roots of x² - 4x - 5=0.​

Answer 1

Question:-

Algebraically, find the roots of x² - 4x - 5 = 0

Solution:-

x² - 4x - 5 = 0 (Given equation)

Here a = 1, b = -4 and c = -5

`\therefore` b² - 4ac = (-4)² - (-4) × 1 × -5 = 16 - 20 = -4 < 0

There are no real roots for the given equation. [Answer]