Looking for answers? Westonci.ca is your go-to Q&A platform, offering quick, trustworthy responses from a community of experts. Get detailed and precise answers to your questions from a dedicated community of experts on our Q&A platform. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.

The second term of a geometric progression is 5 and the fourth term is 31.25. Find the
a)common ratio,r, if r is positive
b)first term
c)sum of the first five terms


Sagot :

Answer:

r = 2.5

Sn = 51.55

Step-by-step explanation:

5r^2 = 31.25

r^2 = 31.25/5

r = sqrt 6.25

We hope you found this helpful. Feel free to come back anytime for more accurate answers and updated information. We hope this was helpful. Please come back whenever you need more information or answers to your queries. Find reliable answers at Westonci.ca. Visit us again for the latest updates and expert advice.