Answer:
21
Step-by-step explanation:
the sum of the express of the summation of the notation
Answer:
81?
Step-by-step explanation
i might be wrong, if am delete this haha
A(5) = 2 + 5^2 = 2 + 25 = 27
Step-by-step explanation:
This sequence is defined as a(n) = 2 + n^2.
Thus, a(1) = 2 + 1^2 = 2 + 1 = 3
Then a(5) = 2 + 5^2 = 2 + 25 = 27
Answer:
(5x+1)(x - 2)
Step-by-step explanation: