Question

Cat e N ??

a) 8^N=512
b) 9^N+1 = 27^4
c) 2^N+2^N+1=40
d) 2 x 5^N+2+x3^N=69

dau coroana

Answer 1

8^3=512
9^n+1=9^3*4 ,9^n+1=9^12, n+1=12, n=11