Question

For `f(t)= (t^2,t^3)` what is the distance between `f(1)` and `f(3)`?

Answer 1

`2sqrt185`

Explanation:

`f(1) = (1,1)`

`f(3) = (9,27)`

The distance between them is given by Pythagoras Theorem.

`sqrt{(9-1)^2 + (27-1)^2} = 2sqrt185`