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

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Sec. 2] Tabular Differentiation 55<br />

555. F<strong>in</strong>d / (0) -f xf (0) of the function f(x)=e-*.<br />

556. F<strong>in</strong>d /(3) + (x 3)/' (3) of the function f(x) = Y\ + x.<br />

557. Given the functions f(x) = tar\x and = (p(*) ln(l x)><br />

f<strong>in</strong>d n0)<br />

t<strong>in</strong>d<br />

q/(or<br />

558. Given the functions /(x)=l x and = l<br />

cp(jc) s<strong>in</strong>^ r<br />

f<strong>in</strong>d nna 2^ .<br />

ff (1)<br />

559. Prove that the derivative of an even function is an odd<br />

function,<br />

tion.<br />

and the derivative of an odd function is an even func-<br />

560. Prove that the derivative of a periodic function is also<br />

a periodic function.<br />

561. Show that the function y = xy'<br />

xe~* satisfies the equation<br />

= d-x)y-<br />

562. Show that the function y = xe~? satisfies the e

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