Math, asked by Sahilkhan38111, 11 months ago

Sum of first 3 consecutive terms of ap is 9 and sum of their squares is 35 find sn

Answers

Answered by ssourabh

8

common difference is +2 and -2
Sn = n(n+2) and n(4-n)

Attachments:

Previous Question

Next Question

Similar questions

Environmental Sciences, 6 months ago

lines on favourite flower...

English, 6 months ago

I shall buy it,cost it change it simple sentence...

Math, 6 months ago

If -5 is a root of the Quadratic equation 2x² + px -15 = 0 , and the quadratic equation p(x² + x) +k =0 has equal roots ,find the value of k. pls give step by step Explanation.

History, 11 months ago

The person who has long lasted as keralas cheif minister...

Art, 11 months ago

The persistence of memory by salvador dali meaning...

Social Sciences, 1 year ago

how do duplication articles and adulteration cause heavy loss to the consumer...

Hindi, 1 year ago

vegyan ka Avishkar Manav ki Sanskriti hai Asanskrit trk Sahit Uttar dijiye??

Biology, 1 year ago

name the sub kingdoms of kingdom plantae...