Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If the first, second and last terms of an A.P. be 
respectively, then its sum will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
We have first term 
......(i)
Second term 
......(ii)
and last term 
......(iii)
From (i), (ii) and (iii), 
and 
Then sum 
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