Thomas Calculus 13th [Solutions]

Chapter 11 Practice Exercises 865
34.
2 2 2 2
x y 2y 0 x ( y 1) 1
C (0,1) a 1;
2
r 2r sin 0 r 2 sin
35.
2 2 3
2
2
x y 3x 0 x y 9
2 4
C 3 , 0 and a 3 ;
2 2
2
r 3r cos 0 r 3 cos
36.
2 2 2 2
x y 4x 0 ( x 2) y 4
C ( 2, 0) a 2;
2
r 4r cos 0 r 4 cos
37. 38.
39. d 40. e 41. l 42. f
43. k 44. h 45. i 46. j
47.
1 2 2
2
1 cos 2
A 2 r d 2 cos d 4 4cos cos d 4 4cos
d
0 2 0 0 0
2
9 4cos cos 2 d 9 4sin sin 2 9
0 2 2 2 4 0 2
48.
/3
1 2
/3 1 cos 6 1 1
/3
A sin 3 d d sin 6
0 2 0 2 4 6 0 12
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