It’s c just to let you know I have done this before
Answer:
The 4th term of the expanded binomial is
Step-by-step explanation:
Considering:
Now, you gotta calculate for every value of
I will not write every product, but just solve following the steps:
For
Answer:
the answer is a
Step-by-step explanation:
Answer:
c = 4
Step-by-step explanation:
Let the common difference be c. Then a(n) = -3 + c(n-1). Since a(15) = 53, a(15) = -3 + (15-1)c = 53. Therefore, -3 + 14c = 53, or 14c = 56; c = 4.