Compute the length of the curve r(t)=5ti+8tj+(t2+4)k over the interval 0≤t≤6
Hint: use the formula
∫t2+a2‾‾‾‾‾‾‾√dt=12tt2+a2‾‾‾‾‾‾‾√+12a2ln(t+t2+a2‾‾‾‾‾‾‾√)+C
Find Length?
2 answers
so, did you use the formula? What did you get?
83.73