Originally Posted by sajjad002;322873[FONT=Times New Roman
For question two, your base case is . Clearly this holds.
So assume the result works for : . Then, we want to show that .
Hint: Substitute into only once.
Q1 . A club consists of four memebers.How many sample points are in the sample space when three officers; president, secretary and treasurer, are to be chosen?
Q2.
Use mathematical induction to prove that for all integers n≥1,
is divisible by 3.