5 Which region on the Argand diagram is defined by

π π ≤ z 1≤ ? 4 3

6

1

dx ?Which expression is equal to

x 2 6x +5 x 3

(A) sin 1 +C 2 x 3 (B) cos 1 +C

2

(C) ln x 3 +

(D) ln x 3 +

+Cx 3 )2 +4 2

x 3 4 +C )