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[10 Marks] Find the polar coordinates (ro,ao) of the center of mass of lamina occupying the region and having the density o(r

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se ae gian thet the e we kuouo that, Total mau) dA Area x Deusi R. 2 and, Co-odinates ih cantre n ness ane dafinaol Total mes3m2 그-4 sin26 sine. |스 d e Jo Sin29. Sind de- 3 (-4 din 20)2. de 3 Sin 20) sine de ニー2Sin2 Sine de 2. de-caste de 2 3 3 te (2 sine cose) sin 0 do 3 8 sin θ , sine cose de 즈3.rn. Sia.es.de sin cose 2256 cae de du2S T R 3172 -ч sin20 ·3112 |Cose de 3 了 z Y 3172 3 (2 sine caxe) case de ニー256 312 2s6 Sine, sing. cos ydd03112 204 3 sine . ci-cos%) . Coes do Subshitite Coseu -sine de = dy sine de _ du 2018 2048-1。 3仃 2048 u du 204 2048- 3IT 204元,5) = (4096 13-55 . 。 れ t16 pela-

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