(a) (b)

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answerhappygod
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(a) (b)

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Find the volume of the 'cover' that is bounded by 42 < x2 + y2 + z2 < 92 and the upper cone z= 5x2 + 5y2. Leave your final answer correct to 2 decimal places. =

Find the volume of the solid that is bounded by the surfaces z = 142 – x2 - y2 in the first octant. Give your answer correct to 2 decimal places.
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