Find the third fourth and fifth terms of the sequence defined by a1=1, a2=3, and a n =(-1)n a n-2 for n> 3

We have been given that

In order to find the third term, we substitute n=3

Substituting the given value of

Similarly, we can find the fourth term by plugging n=4

Therefore, the third term is -1

And the fourth term is 3

5y

step-by-step explanation:

combine all like terms then its just a 2 step equation