Published by:
CGP EDU Academic Team
Published on: August 13, 2026
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
We know 
…..(i)
........ …..(ii)
Again, 
…..(iii)
Add (ii) and (iii),
…..(iv)
.
Aliter : 
Putting 
,
.............................................
.............................................
Adding all terms, we get
.
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