How to find the sum of n terms of an Arithmetic Progression sequence | AP Series

[nyambemukena]

This is great sir, you are so smart, maths is simplified, plz continue helping us, I'm so inspired sir

[peggywood]

what if i use the 8 instead of the 553/5

[mamudujalloh]

Ooh you are very excellent work Sir thank you so much for making me understand

[MamusMamus-imdf]

Please explain a question where there is no a and d

[HembaVictoria]

How to find the common different or ratio of this number 1, 5, 14, 30, 55

[SPENCERBRIGHTESTbryanjr]

thank u very much i am soo grateful God bless u

[mabelamoah]

Please y did u use the last term=553/5 to represent the number of of terms in finding for question (a)

[russellbrandcontactservice]

Please what if I wasn't given the number of terms
To work with