Published by:
CGP EDU Academic Team
Published on: August 12, 2026
If s n = 
and t n = 
, then 
is equal to-
A
B
– 1
C
n – 1
D
Text Solution
Verified by ExpertsThe correct answer is:
A
s n = 
t n = 
t n = 
∴ 2t n = n 
= ns n ⇒ 
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