tolong 2 jam lagi mau dikumpulkan

1. n=3
(2x3)+1<2^3
6+1<8
7<8

2. n=4
(2x4)+1<2^4
8+1<16
9<16

3. n=5
(2x5)+1<2^5
10+1<32
11<32

ket : ^ = pangkat
x = perkalian