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

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Sec. 9] Miscellaneous Exercises on First-Order Differential Equations 341<br />

i) )y'.<br />

2844. //'-|-//cosAr=s<strong>in</strong>.tcosx.<br />

n)<br />

2845 ' (l-^<br />

2846 ' ^'-T-^ = -<br />

2847. y' (xcosy-'r a s<strong>in</strong> 2

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