solve x =7(mod 9), x=4(mod 12) ,x=16 (mod 21) chines remainder
8^x+2^x=130
7^3x = 6^3 find x
7^3x=6^ find x
(n³+1)/(-1)((n+1)³+1)
(n³+1)/(-1)((n+2)³+1)
Z=(17. 4-15.4)/(2.3/√50)
e^(pi*i)
log(-1)
e^(-pi)