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

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360 Differential Equations [Ch. 9<br />

Solv<strong>in</strong>g<br />

and then<br />

it we f<strong>in</strong>d:<br />

We can do likewise <strong>in</strong> the case of a system with a larger number of<br />

equations.<br />

Solve the systems:<br />

3078. I JJ<br />

3079.<br />

3080.<br />

3081.<br />

3082.<br />

3083.<br />

3084.<br />

dy = z<br />

dz<br />

dT<br />

dx<br />

dy<br />

dz<br />

da<br />

dz<br />

3085.<br />

dx<br />

r/ = 0, z = when je = 0.<br />

3086.<br />

: = 0, y=\ when / = 0.<br />

3087.<br />

3088*.<br />

c)<br />

4/_// 2<br />

dx _ dy t __dz_<br />

xy~ x-\-y~~~ z '<br />

yz zx xif<br />

__ dy __ dz<br />

isolate the <strong>in</strong>tegral curve pas-<br />

s<strong>in</strong>g through the po<strong>in</strong>t (1, 1, 2).<br />

3089.<br />

3090.<br />

dy

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