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

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Sec. 3] The Derivatives of Functions Not Represented Explicitly 59<br />

and<br />

fdy\ = S1<br />

"T<br />

I x = tlnt,<br />

596. F<strong>in</strong>d ^ when / = ! if< <strong>in</strong>/<br />

** i y = ^/<br />

~. i dv i , ji -r f x = e cosf,<br />

597. F<strong>in</strong>d ^ when f = 4- if . < <<br />

dx 4<br />

/<br />

\ f/ = ^ sm^.<br />

698. Prove that a function # represented parametrically by the<br />

equations<br />

satisfies the equation<br />

599. When x = 2 the follow<strong>in</strong>g equation<br />

Does it follow from this that<br />

when x = 2? _<br />

2<br />

jc = 2x.<br />

(x*)' = f<br />

(2x)<br />

'<br />

is true:<br />

600. Let y = Va* x*. Is it possible to perform term-by-term<br />

differentiation of<br />

x *<br />

+ y*^0'?<br />

In the examples that follow it is required<br />

tive y' = :r of the implicit functions y.<br />

601. 2x 5//+10 = 0. 609. a cos 2<br />

602. 5 + ? =1 6I0 ' tan//<br />

-<br />

603. x 8<br />

604. x'-<br />

s<br />

-t-y --=a 8<br />

. 611. xy-<br />

605. l/^ + K^ = /"a. 613. ^ =<br />

606. l/S + /~* = '/a*. 614.<br />

607. /'=<br />

608. y 0.3 s<strong>in</strong> y = *. 616. arctan ^- = -^ l<br />

to f<strong>in</strong>d the deriva

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