Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The number of real solutions of the equation 
lying in the interval 
is .
(Here, the inverse trigonometric functions 
and 
assume values in 
and 
, respectively). (JEE Advanced 2018)
Text Solution
Verified by ExpertsThe correct answer is:
2
(2)
Given equation is
(Each series is infinite G.P.)
or 
or 
or 
Let 
So, 
is increasing function and it intersects 
-axis only once.
So, one root of 
lies in 
.
So, there are two values of 
.
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