MA 341 – Review Assignment 4 (answer key)
Question 1
−2 + 2i
Question 2
0 + 9i
Question 3
0 + 5i
Question 4
t 3et − 3t 2et + 6tet − 6et + C
Question 5
4.28
Question 6
1 3
1
x sin( x3 ) + cos( x3 ) + C
3
3
Question 7
ln
x( x − 1)
+C
x +1
Question 8
1
⎛ x⎞
tan −1 x + tan −1 ⎜ ⎟ + C
2
⎝2⎠
Question 9
h '( x) = 2 x 1 + x 6
Question 10
− tan −1 (cos x) + C