Question

Find the value of discriminant of the following equation.

5m² - m = 0

Answer 1

5m² - m = 0

For the quadratic equation, \[a x^2 + bx + c = 0\] 

D = b² - 4ac

Here,  

a = 5, b = - 1, c = 0
\[\text{D} = \left( - 1 \right)^2 - 4 \times 5 \times 0 = 1\]