Question

answer fast with reason​

Answer 1

Step-by-step explanation:

ITS A FINITE SET

REASON : P={x/x=2^n where n is some integer}

then

CASE 1: LET n =1

then 2^n=2

CASE 2: LET n=0

then 2^n= 1

CASE :3 LET n=-1

then 2^n=-2

We conclude from case 1;2 and 3 that

P is a infinite set