Question

what is the sum of first n odd natural numbers please tell me its answer please fast​

Answer 1

what is the sum of first n odd natural numbers please tell me its answer please fast

2n

Answer 2

Answer:

According to problem:

a=1

d=2

∴S  

n

​  

=  

2

n

​  

[2a+(n−1)d]

         =  

2

n

​  

[2+2n−2]

         =n  

2

 

∴Mean=  

n

S  

n

​  

 

​  

=  

n

n  

2

 

​  

=n