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

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Sec 3]_Comput<strong>in</strong>g Areas_257<br />

2177. Compute the area bounded by the straight l<strong>in</strong>es x y,<br />

2178. Compute the area ly<strong>in</strong>g above the x-axis and bounded<br />

by this axis, the parabola y* = 4ax, and the straight l<strong>in</strong>e x-[-y = 3a.<br />

2179*. Compute the area bounded by the ellipse<br />

2180. F<strong>in</strong>d the area bounded by the parabolas<br />

y f<br />

=10x4- 25 and y z = 6x + 9.<br />

2181. Pass<strong>in</strong>g to polar coord<strong>in</strong>ates, f<strong>in</strong>d the area bounded by<br />

the l<strong>in</strong>es<br />

x 2<br />

-y 2 = 2x, x z = -[-y* 4x, y = x, y = Q.<br />

2182. F<strong>in</strong>d the area bounded by the straight l<strong>in</strong>e r cosq)=l<br />

and the circle r~2. (The area is not to conta<strong>in</strong> a pole.)<br />

2183. F<strong>in</strong>d the area bounded by the curves<br />

r = a(14coscp) and r acosq>(a>Q).<br />

2184. F<strong>in</strong>d the area bounded by<br />

( * ,<br />

(/!V__<br />

V 4 ~*~ "9 J<br />

the l<strong>in</strong>e<br />

**_//?<br />

"~ 4" 9 '<br />

2185*. F<strong>in</strong>d the area bounded by the ellipse<br />

(x2y !-3) 2<br />

2<br />

4 (3* -\-4y- - 1) 100.<br />

2186. F<strong>in</strong>d the area of a curvil<strong>in</strong>ear quadrangle bounded by<br />

the arcs of the parabolas x z<br />

--=ay y x* = by y y* = a,x, y 2 = $x(Q

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