CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If (12t1)+(22t2)+..........+(n2tn)=13[n(n21)], then find the value of max[tntk] where n, k ϵ[2,10) and n>k.

Open in App
Solution

12+22+32+42.....nn=1tk=13n(n21)
n(n+1)(2n+1)62n3(n21)=nn=1tk=
n(n+1)2=nn=1tk=
tk is set of first K natural numbers
Max(tntk) if n,k(2,10)
t10t2=8
as t10=10t2=2

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Arithmetic Progression - Sum of n Terms
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon