Sequence And Series Question 409
Question: The sum of $ 1+3+5+7+……… $ upto $ n $ terms is
[MP PET 1984]
Options:
A) $ {{(n+1)}^{2}} $
B) $ {{(2n)}^{2}} $
C) $ n^{2} $
D) $ {{(n-1)}^{2}} $
Show Answer
Answer:
Correct Answer: C
Solution:
$ 1+3+5+7+………. $ upto  $ n $  terms.
$ \Rightarrow  $   $ S_{n}=\frac{n}{2}{ 2\times 1+(n-1)2 }=n^{2} $ .
 BETA
  BETA 
             
             
           
           
           
          