Multiple Choice
Let r(t) = (t2 + 9) i + e t j + e t k. Find N(t) for t = 0. Approximate your calculations to three decimal places.
A) 0
B) i
C) 0.577j - 0.577k
D) i + 0.577j + 0.577k
E) 1.732i - 1.732j - 1.732k
Correct Answer:

Verified
Correct Answer:
Verified
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