Advertisement Remove all ads
Advertisement Remove all ads
Advertisement Remove all ads
Sum
State whether the following quadratic equations have two distinct real roots. Justify your answer.
x(1 – x) – 2 = 0
Advertisement Remove all ads
Solution
The equation x(1 – x) – 2 = 0 has no real roots.
Simplifying the above equation,
x2 – x + 2 = 0
D = b2 – 4ac
= (-1)2 – 4(1)(2)
= 1 – 8 < 0
Hence, the roots are imaginary.
Concept: Nature of Roots of a Quadratic Equation
Is there an error in this question or solution?