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Calculus III Exam 1 Review Questions: 1. Find the projection of a onto b , and find the anle !etween a and b: a " #1, $, %&, b " #', $, (& (. Find the volume of the parallelepiped havin adjacent edes a, !, a a " #1, ', 1&, b " #$, ), )&, c " #*%, $, *%& '. Find the e+uation of the plane that passes throuh the points ', ( ', 1, * - and is perpendicular to the plane )x / 0 / (2 " 1$. %. Find the distance !etween the planes %x 3 % / 42 " 0 and %x 3 % . Identif and s6etch the +uadric surface: 1)x ( / 4 ( / 1)2 ( 3 '(x 3 ') / ') " $ ). 76etch the curve represented ! the vector*valued function and iv orientation of the curve: rt- " #' cos t, % sin t, t8(& 0. Evaluate the limit: lim x → ∞ e t , 1 t , t t 2 + 1 5. Find rt- for the iven conditions: r` t- "1 1 + t 2 , 1 t 2 , 1 t , r1- " #(, $, $& 4. If rt- " #t, ( sin t, ( cos t& and u t- " #18t, ( sin t, ( cos t&, find 9 t rt-; u t-< and 9 t rt- = u t-< 1$. 76etch the space curve and find its lenth over the iven interval rt- " #cos t / t sin t, sin t 3 t cos t, t ( & in the interval $, >8(<. 11. Find the curvature ? of the curve rt- " 2 t 2 ,t , 1 2 t 2

Math 283 Exam 1 Review

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Calculus III Exam 1 Review Questions:

1. Find the projection of a onto b, and find the angle between a and b: a = , b =

2. Find the volume of the parallelepiped having adjacent edges a, b, and c: a = , b = , c =

3. Find the equation of the plane that passes through the points (3, 2, 1) and (3, 1, -5) and is perpendicular to the plane 6x + 7y + 2z = 10.

4. Find the distance between the planes 4x 4y + 9z = 7 and 4x 4y + 9z = 18.

5. Identify and sketch the quadric surface: 16x2 + 9y2 + 16z2 32x 36y + 36 = 0

6. Sketch the curve represented by the vector-valued function and give the orientation of the curve: r(t) =

7. Evaluate the limit:

8. Find r(t) for the given conditions: r`(t) = , r(1) =

9. If r(t) = and u(t) = , find Dt[r(t)u(t)] and Dt[r(t) u(t)]

10. Sketch the space curve and find its length over the given interval: r(t) = in the interval [0, /2].

11. Find the curvature of the curve r(t) =