- #1
Mugen Prospec
- 42
- 0
Homework Statement
3ti+ 8t[tex]^{(3/2)}[/tex]j + 12t[tex]^{2}[/tex]k
0 [tex]\leq[/tex] t [tex]\leq[/tex] 1
Homework Equations
The Attempt at a Solution
I thought you are supposed to take the derivative of all three then square that. those all go into the length formula
My book says answer should be 15 but I am not doing something right. my test is tomorrow, can some one give me a walk through for this one.