Unformatted text preview: 1 = 5 / 9 Variance = (5 / 9)(5 / 7) 2 = (245225) / 441 = 20 / 441. 4. The volume is π µ 4 1 x 2 + 2 x 1 / 2 + 1 x dx . The integral is x 3 3 + 4 3 x 3 / 2 + ln x ´ ´ ´ ´ 4 1 = 64 3 + 32 3 + ln 41 34 3 = 91 3 + ln 4...
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 Spring '07
 DURRETT
 Math, Calculus

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