Question: Use Eq. (3) to evaluate the curvature at the given point. r(t) = (cosh t, sinh t, t), t = 0 k(t) = |r'(z) x

Use Eq. (3) to evaluate the curvature at the given point.

k(t) = |r' (t) x r' (t)|| ||r'()||

r(t) = (cosh t, sinh t, t), t = 0

k(t) = |r'(z) x r"(t)|| ||r'()||

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