Asked by Steven

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?
Answered by Steve
so, did you use the formula? What did you get?
Answered by Li
83.73
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