Let
In order to prove this by induction, we first need to prove the base case, i.e. prove that P(1) is true:
So, the base case is ok. Now, we need to assume 
and prove 
.
states that
Since we're assuming , we can substitute the sum of the first n terms with their expression:
Which terminates the proof, since we showed that
as required
Answer:
Step-by-step explanation:
The function is given.
To find : 
The input for the function f(x) is (a + 1).
Replace x with (a + 1).
Expand brackets.
Simplifying.
Answer:
?
Step-by-step explanation:
Common stock, preferred stock, municipal bond
Answer:
To solve the above riddle, you just need to think creatively and not take the question literally. The answer to the above riddle is, "Four kids get an apple and the fifth kid gets an apple still in the basket." This way, everyone gets an apple and the last apple still stays inside the basket.
