#Need help with Algebra work
4 messages · Page 1 of 1 (latest)
4 messages · Page 1 of 1 (latest)
(x * y^3)/(x^(1/2) * y^6)
= x^(1 - 1/2) * y^(3 - 6)
= x^(1/2) * y^(-3)
= sqrt(x)/y^3```
Because x^(1/2) = sqrt(x), because... that's just what it means. Like, by definition, the nth root of x is x^(1/n).
Similarly, y^(-3) = 1/y^3 pretty much by definition.
You can derive these from exponent rules.