Find the curvature of the curve r(t) = (-5t, -5t5, 5t³) at the point t = 2. Give your answer to 2 decimal places.

Q: Answer d

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Q: Please answer D

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A: From the part b and c we get.

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Q: If ||2x - y < 2 and ly| < 1, prove that | x-yll2-x.x < 2. If n = 3, x 3. yll

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A: X~(μ=18.81,σ=5)

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