Q. Number of solutions of $|x - 1| = \cos x$ is
A) 2
B) 3
C) 4
D) None of these
Explanation
(a)
Let $y = |x - 1| = \cos x$
It is clear from the graph that two curves intersect at two points.
[image:3_image8.emf]
Hence, number of solutions are 2.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.