Recent content by roopi

no I am really familiar with that, i know that i have to use but I am not sure how to, could you please help on how to answer this pleases, thank you

Homework Statement Prove that for every natural number n we have that 4^(2n+1) + 3^ (n+2) is divisible by 13 Homework Equations The Attempt at a Solution im not too sure any help or anything please