A) \[\frac{n+1}{3}\]
B) \[\frac{n}{n+1}\]
C) 3
D) None of these
Correct Answer: A
Solution :
\[\left( 1+\frac{1}{3} \right)\left( 1+\frac{1}{4} \right)\left( 1+\frac{1}{5} \right)...\left( 1+\frac{1}{n} \right)\] \[=\frac{4}{3}\times \frac{5}{4}\times \frac{6}{5}\times ...\times \frac{n+1}{n}\] \[=\frac{n+1}{3}\]You need to login to perform this action.
You will be redirected in
3 sec