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Reverse the order of integration and then evaluate the integral ∫020∫y45ex2dxdy{“version”:”1.1″,”math”:”∫020∫y45ex2dxdy”}

Let u→=3i→-2j→+k→{“version”:”1.1″,”math”:”u→=3i→-2j→+k→”} and v→=-i→+j→+3k→{“version”:”1.1″,”math”:”v→=-i→+j→+3k→”}.  Find the exact angle between the vectors.  Unless it is a special angle, leave it in terms of an inverse trig function.

Consider rt→=4t,3sint,3cost{“version”:”1.1″,”math”:”rt→=4t,3sint,3cost”}. Find the length of the curve formed from t=0{“version”:”1.1″,”math”:”t=0″} to t=π{“version”:”1.1″,”math”:”t=π”}.

Find ∫π2πrt→dt{“version”:”1.1″,”math”:”∫π2πrt→dt”}, if it exists when rt→=2,5sint,12cost{“version”:”1.1″,”math”:”rt→=2,5sint,12cost”}

Consider r(t)→=2,5sint,12cost{“version”:”1.1″,”math”:”r(t)→=2,5sint,12cost”}. Find the unit tangent vector.

If I have any problems while I am trying to start test, I am supposed to click on HELP. 

If a students violates any of the online proctoring guidelines and procedures, they may receive a 0 on that assignment, and may forfeit the ability to take future assignments online.

Students are allowed to use multiple monitors during a proctored assignment.

Which of the following describes net primary productivity?

Which of the following best describes voter turnout?