MENU
Question -

Find the sum to n terms of the A.P., whose kth term is 5k + 1.



Answer -

Given, the kth termof the A.P. is 5k + 1.

kth term = ak = +(k – 1)d

And,

+ (k – 1)d = 5k +1

a + kd – d =5k + 1

On comparing thecoefficient of k, we get d = 5

– = 1

a – 5 = 1

 a =6

Comment(S)

Show all Coment

Leave a Comment

Free - Previous Years Question Papers
Any questions? Ask us!
×