題組內容
1. Fill in the blank with your answer (7 pts each)
(d) Find the length of the space curve r (t) = (cos 2t, 
) , 0 ≤t≤1. Ans: ________
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(d) Find the length of the space curve r (t) = (cos 2t, ) , 0 ≤t≤1. Ans: ________