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Problems in Mathematical Analysis.pdf - pwp.net.ipl.pt

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Sec. 2]_Tabular Differentiation_49<br />

C. Exponential and Logarithmic Functions<br />

390. y^K*-e*. 396. y = e*arc s<strong>in</strong> x.<br />

391. y = (x-l)e*. 397. y^ ~.<br />

392. r/ = 5- 398 - y = *<br />

393. (/== J.<br />

399. */ = 7<br />

394. / (x) = e* cos jc. 400. y = \nx\ogx In a loga jc.<br />

395. #=:(A; 2<br />

2<br />

D. Hyperbolic and Inverse Hyperbolic Functions<br />

401. t/ = Jts<strong>in</strong>hjt. 405. (/ = arctanx arctanh<br />

402. . y=-V- y<br />

406. = Jt/<br />

arc<br />

cosh x<br />

403. // = tanhA: *. 407. (/ = -<br />

404 t/ = ^iiL 408. // = -<br />

^<br />

Inx<br />

E. Composite Functions<br />

^<br />

i x-<br />

In problems 409 to 466, use the rule for differentiat<strong>in</strong>g a composite function<br />

with one <strong>in</strong>termediate argument.<br />

F<strong>in</strong>d the derivatives of the follow<strong>in</strong>g functions:<br />

40Q** a H -i_^v ^r 2 \*<br />

"v u . y \ i i~ \jAt ~~~- *jAi j<br />

Solution. Denote 1 + 3jt 5jc* = w; then = t/ w j f/<br />

"~56(2* 1)' 24(2^1)' 40(2x I)''<br />

410 ,._<br />

414. t/=J/T^J?".<br />

415. y=^/<br />

416. w=(a''.<br />

have:<br />

\j<br />

.

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