if a1=3 and an = an-1 + 2 then find the value of a5
To find the value of a5, we can use the given formula: an = an-1 + 2.
Given a1 = 3, we can substitute it into the formula to find a2:
a2 = a1 + 2
a2 = 3 + 2 = 5
Using the same formula, we can find a3:
a3 = a2 + 2
a3 = 5 + 2 = 7
Continuing with the pattern, we can find a4:
a4 = a3 + 2
a4 = 7 + 2 = 9
Finally, we can find a5:
a5 = a4 + 2
a5 = 9 + 2 = 11
Therefore, the value of a5 is 11.
To find the value of a5, we can use the given recursive formula an = an-1 + 2.
Given a1 = 3, we need to find a5.
To do this, we can use the recursive formula to find each term in the sequence:
a1 = 3
a2 = a1 + 2 = 3 + 2 = 5
a3 = a2 + 2 = 5 + 2 = 7
a4 = a3 + 2 = 7 + 2 = 9
a5 = a4 + 2 = 9 + 2 = 11
Therefore, the value of a5 is 11.