a= 1/a, then a squared=?

3 answers

How can a = 1/a ?
1/a is a fraction. 1 is the numerator and a is the denominator. you need to plug in for a but I don't know how to solve it
as with all fractions, clear things out by multiplying by the denominator

So, multiply by a and you have

a^2 = 1

done