4. Find the number of all possible arrangements of the letters of the word βMATHEMATICSβ taken four at a time.
N-6/3 = N-2/9
244 28084 Γ 391 = Z09XOXYY. Find the value of X, Y, and Z
6.75/0.09
N-6 = N-2
___ ____
3 9
Let
{
π
π
}
=
1
β
{a
n
β
n=1
be a sequence of positive numbers such that:
β₯
2
3 ...
A*0.21+B*0.105=231.5