Math miscellaneousHard
Question
If variance of the group ∝, 1 + ∝, ......, n + ∝ is 
, then value of n will be :-
, then value of n will be :-Options
A.21
B.20
C.19
D.none of these
Solution
α, 1 + α, 2 + α,........(n + α)
0, 1, 2,....................n
1,2,3....................(nH)
variance =
0, 1, 2,....................n
1,2,3....................(nH)
variance =
Create a free account to view solution
View Solution FreeMore Math miscellaneous Questions
The correct set of four quantum numbers for the valence electron of rubidium atom (Z = 37) is -...[x2] dx is...If ϖ (≠ 1) is a cube root of unity, and (1 + ϖ)7 = A + B ϖ. Then (A, B) equals...The number of integral terms in the expansion of (√3 + 8√5)256 is...Let A = , then A2015 is...