11. SCALCET9M 13.3.025. Use the theorem given below to find the curvature of r(t) = t^6j + t^5k. Theorem: The curvature of the curve given by the vector function r is ?(t) = |r'(t) Ă r''(t)| / |r'(t)|^3. ?(t) = 12. SCALCET9M 13.3.027. Use the theorem given below to find the curvature of r(t) = ?6t^2i + 2tj + 2t^3k. Theorem: The curvature of the curve given by the vector function r is ?(t) = |r'(t) Ă r''(t)| / |r'(t)|^3. ?(t) =
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