Question

Please bantu dijawab kk

Answer 1

A) 1+2+4+8+ ... 2^n-1 =2^n-1
bilangan asli {1,2,3,4,...}
2^n-1
U1 = 2^1-1 = 2^0 = 1
U2 = 2^2-1 = 2^1 = 2
U3 = 2^3-1 = 2^2 = 4
U4 = 2^4-1 = 2^3 = 8
dst... TERBUKTI