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test #2
Autor :
Diego Armndo
1.
2√(x+2)+C
A.
a. ∫xdx/√(x+2)
B.
b. ∫ln|x+2|
C.
c. ∫1/√(x+2) dx
D.
d. ∫〖2 ln|x+2| 〗 dx
2.
1/(3+x)+C
A.
a. ∫〖1/3 arctanx 〗 dx
B.
b. ∫ln|x+3| dx
C.
c. ∫〖-arctanx 〗 dx
D.
d. ∫〖-ln|x+3| 〗 dx
3.
3 tanx+C
A.
a. ∫(3+3 tan^2x ) dx
B.
b. ∫(3-3 tan^2x ) dx
C.
c. ∫(1-3 tan^2x ) dx
D.
d. ∫(3+tan^2x ) dx
4.
secx+C
A.
a. ∫sen^2x/cosx dx
B.
b. ∫cosx/sen^2x dx
C.
c. ∫cos^2x/senx dx
D.
d. ∫senx/cos^2x dx