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

step-by-step explanation:

option 1

data plot with   3 dots over 33, 1 dot over 34, 2 dots over 35, no dot over 36, 1 dot over 37, 2 dots over 38, 4 dots over 39, and 2 dot over 40.