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
If be such that If the projection along is equal to that of along and are perpendicular to each other then equals...Let F(x) = f(x) + f, where f(x) = dt. Then F(e) equals...dx is equal to -...Number of possible values of n such that n! has exactly 20 zeroes at the end is equal to -...The point of lines represented by 3ax2 + 5xy + (a2 - 2)y2 = 0 and perpendicular to each other for...