Formula for Sn= in words
Answers
Answered by
2
Step-by-step explanation:
n/2[2a+(n-1)d]
This is the answer for sum of n terms.
If you find a appropriate answer then
mark me as brainliest......
Answered by
0
Answer:
- Thus the formula becomes Sn = a*(1-r^n) / 1-r, which means the two formulas are equivalent. Comment on Emily H's post “The two formulas are equivalent.
Similar questions