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Exam (elaborations)
Spring 2008, Math 1242 Final Exam
Spring 2008, Math 1242 Final Exam 
Part I (MULTIPLE CHOICE, NO CALCULATOR PERMITTED) 
1. Compute 
 
3x3 + x22 − 4 cos x dx. 
R 
2 
(A) 21 3x3 + x22 − 4 cos x + C 
(B) 9x2 + 2 ln x2 − 4 sin x + C 
(C) 43 x4 − x2 − 4 sin x + C 
(D) 34 x4 − x2 + 4 sin x + C 
(E) 43 x4 − x2 − 2 cos2 x + C 
2. Compute 
R2 
x 
0 xe dx. 
(A) 2e4 
(B) e2 + 1 
(C) 12 e4 − 21 
(D) 12 e4 
(E) 21 e2 − 12 
13. Which of the following definite integrals gives the length of the curve y = tan x 
over the in...