Answer :
Answer: For example, suppose we use 2 as a subsitute for x,
If [tex]\frac{2}{2} =1[/tex]
Then [tex]\frac{2^1}{2^1}=1[/tex]
[tex]2^{1-1} =1[/tex]
[tex]2^{0}=1[/tex]
Therefore any number or pronumeral, (including x) to the power of 0 equals 1.