It's just basically a fundamental of math to go by. This website has a pretty good explanation of by n^0 always equals 1, check it out: http://mathforum.org/dr.math/faq/faq.number.to.0power.html
It's just basically a fundamental of math to go by. This website has a pretty good explanation of by n^0 always equals 1, check it out: http://mathforum.org/dr.math/faq/faq.number.to.0power.html