Question

1. If a=2+2^2/3+2^1/3.prove that a^3-6a^2+6a-2 =0
2. Find x if 2+logx=log45-log2+log16-2log
3.solve forx:8×2^2x+4×2^2x+1=1+2^x

Answer 1

9 is the right answer