Prove 3^n + 7^n -2 is divisible by 4

Prove 3^n + 7^n -2 is divisible by 4

13.275 Lượt nghe

00:00

00:00

Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.

MÔ TẢ MP3TIẾP THEO

Prove 3^n + 7^n -2 is divisible by 4

I solved this problem using both mathematical induction and Modular arithmetic. Enjoy!					