- #1
Nusc
- 760
- 2
How do you prove these?
Let 0 < a, an element of R, and x, y an element of R. Then:
(a^x)(a^y) = (a^(x+y))
a^(-x) = 1/(a^x)
Thanks.
Let 0 < a, an element of R, and x, y an element of R. Then:
(a^x)(a^y) = (a^(x+y))
a^(-x) = 1/(a^x)
Thanks.