Overview
I'm working on a calculus question and need an explanation and answer to help me learn.
Perform the additions
1. (13,7)+(6,3)
2. (13,7)+(13,7)
in the group of the curve y^2 =x^3 +2x +3 mod 17. Use only a pocket calculator.
Correct answers should be
1. (7,11)
2. (10,11)
Show your work.