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

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Sec. 2]_Change of Variables <strong>in</strong> a Double Integral_255<br />

gral<br />

2166. Pass<strong>in</strong>g to polar coord<strong>in</strong>ates, evaluate the double <strong>in</strong>te-<br />

(S)<br />

extended over a region bounded by the circle jc* + y* = 2ax.<br />

2167. Pass<strong>in</strong>g to polar coord<strong>in</strong>ates, evaluate the double <strong>in</strong>-<br />

tegral<br />

(S)<br />

where the region of <strong>in</strong>tegration S is a semicircle of radius a with<br />

centre at the coord<strong>in</strong>ate orig<strong>in</strong> and ly<strong>in</strong>g above the #-axis.<br />

2168. Evaluate the double <strong>in</strong>tegral of a function f(r,

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