21.06.2018 Views

Revista IC3 original 6° A

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Un pasado de gloria, un presente de luz. <strong>Revista</strong> IC <strong>6°</strong>A 2018<br />

17.-Escriba aquí la ecuación.<br />

dx<br />

25−9x = 1<br />

2 25 − 9x dx 2<br />

cos u<br />

=<br />

−sen 2 u + 1 dx = 1 cos u<br />

3 −sen 2 u + 1 dx<br />

= 1 cos u<br />

3 cos 2 u dx = 1 cos u<br />

3 cos u dx = 1 du<br />

3<br />

= 1 3 1 arc sen 3x<br />

5 = 1 3 arc sen 3x<br />

5 + c<br />

18.-∫ sen u du = − cos u + c<br />

x 2 sen x 4 dx<br />

= 4x 3 sen x 4 dx<br />

= 1 4<br />

x 3 senx 4 dx = 1 4<br />

− cos u + c = −<br />

cos x4<br />

4<br />

+ c<br />

u = x 4<br />

du = 4x 3 dx<br />

19.- ∫ tan u du = ln sec u + c<br />

tan 3 x dx =<br />

tan 2 x tanx dx<br />

= sec 2 x − 1 tan x dx = sec 2 x tanx dx − tanx dx<br />

pág. 26

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!