Task 20 a) Scetch the curve y and calculate the arclength: i) y(t) := e-tet, te...

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Task 20 a) Scetch the curve y and calculate the arclength: i) y(t) := e-tet, te [0, 00); ii) y(t) := e'eit, t e [0, 107]; iii) y(t) :=t+ e', te [0, 2). b) Show that for the curve in a) ii) we have: r(t + 2n) = e2"(t). Task 20 a) Scetch the curve y and calculate the arclength: i) y(t) := e-tet, te [0, 00); ii) y(t) := e'eit, t e [0, 107]; iii) y(t) :=t+ e', te [0, 2). b) Show that for the curve in a) ii) we have: r(t + 2n) = e2"(t).

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