Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Sum of the series is 1+ 
+ 
+ 
+… ∞
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
B
s ∞ = 1 + 
+ 
+ 
+…. ∞
s ∞ = 
+ 
+ 
+…. ∞
Subtracting 
= 1 + 
+ 
+ 
+ …. ∞
. 
s ∞ = 
+ 
+ 
+…… ∞
Subtracting 
s ∞ = 1 + 
+ 
+ 
+…. ∞
= 1 + 
= 2 ⇒ s = 9/2.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A series whose n th term is , the sum of r terms will be
If , then is
The sum of the series is
The sum of the series 1.2.3 + 2.3.4 + 3.4.5 + ….. to n terms is
The sum of the first n terms of the series 1 2 + 2.2 2 + 3 2 + 2.4 2 + 5 2 + 2.6 2 + . . . is , wh…
An A.P. whose first term is unity and in which the sum of the first half of any even number of term…