Q. Which of the following statement has the truth value 'F'?
A) A quadratic equation has always a real root
B) The number of ways of seating 2 persons in two chairs out of $n$ persons is $P(n,2)$
C) The cube roots of unity are in GP
D) None of the above
Explanation
(a)
The root of the quadric equation can be imaginary.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.