Question

Prove that 2^x-1 +2^x ÷2^x+1 - 2^x=3\2

Answer 1

2^x-1+2^x÷2^x+1-2^x=3/2
2^x-1-(x+1)+2^x÷-2^x
2^x-1-x-1+2^x÷-2^x
2^-2+2^x÷-2^x
-4+(2/-2)^x
-4+(-1)^x
-4-1
-5