Question

. If the first, second and the last terms of AP are a, b and c respectively, then show that its sum is

given by

+ ( +−2)
___________

2 (− )​

Answer 1

Step-by-step explanation:

bro I sugest you again to send the picture of the question

bro I sugest you again to send the picture of the questionOr else most of your questions are not clear

bro I sugest you again to send the picture of the questionOr else most of your questions are not clearor there are some errors

this is too complicated

or maybe I have made it complex