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Raúl Andrés Guillén Rangel 20030941 Page | 1 INSTITUTO TECNOLÓGICO DE CELAYA INGENIERÍA MECATRÓNICA GRUPO A CÁLCULO INTEGRAL SARA MARCELA ARELLANO DÍAZ RAÚL ANDRÉS GUILLÉN RANGEL No. De Control 20030941 VOLUMEN UTILIZANDO CAPAS CIILÍNDRICAS Raúl Andrés Guillén Rangel 20030941 Page | 2 1. 𝑦 = 1 √2𝜋 𝑒− 𝑥2 2 , 𝑦 = 0, 𝑥 = 0, 𝑥 = 1 𝑟 = 𝑥 − 0 ℎ = 1 √2𝜋 𝑒− 𝑥2 2 − 0 𝑉 = 2𝜋 ∫ [(𝑥)( 1 √2𝜋 𝑒− 𝑥2 2 )] 𝑑𝑥 1 0 𝑉 = 2𝜋 √2𝜋 ∫ (𝑥𝑒− 𝑥2 2 ) 1 0 𝑑𝑥 𝑉 = 2𝜋 √2𝜋 [𝑒− 𝑥2 2 ]|0 1 𝑉 = 0.98𝑢3 Raúl Andrés Guillén Rangel 20030941 Page | 3 2. 𝑦 = 1 2 𝑥2+ 1 𝑟 = 𝑥 − 0 ℎ = 3 − ( 1 2 𝑥2+ 1) 𝑉 = 2𝜋 ∫ [(𝑥) (3 − ( 1 2 𝑥2 + 1))] 𝑑𝑥 2 0 𝑉 = 2𝜋 ∫ [− 1 2 𝑥3 + 2𝑥] 𝑑𝑥 2 0 𝑉 = 2𝜋[− 1 8 𝑥4+ 𝑥2]|0 2 𝑉 = 12.56𝑢3 Raúl Andrés Guillén Rangel 20030941 Page | 4 3. 𝑦 = 1 − 𝑥 𝑟 = 0 − 𝑦 ℎ = 3 − (1 − 𝑦) 𝑉 = 2𝜋 ∫ [(−𝑦)(3 − (1 − 𝑦))]𝑑𝑦 0 −2 𝑉 = 2𝜋 ∫ [(−𝑦)(2 + 𝑦)]𝑑𝑦 0 −2 𝑉 = 2𝜋∫ [−2𝑦 − 𝑦2)]𝑑𝑦 0 −2 𝑉 = [−𝑦2 − 1 3 𝑦3]|−2 0 𝑉 = 8.377𝑢3 Raúl Andrés Guillén Rangel 20030941 Page | 5 4. (𝑦 − 2)2 = 4 − 𝑥 𝑟 = 𝑦 − 0 ℎ = 4 − (𝑦 − 2)2 𝑉 = 2𝜋 ∫ [(𝑦)(4 − (𝑦 − 2)2)]𝑑𝑦 4 0 𝑉 = 2𝜋 ∫ [−𝑦3 + 4𝑦2]𝑑𝑦 4 0 𝑉 = [− 1 4 𝑦2 + 4 3 𝑦3]|0 4 𝑉 = 134.04𝑢3 Raúl Andrés Guillén Rangel 20030941 Page | 6 5. I. a. 𝑉 = 𝜋 ∫ [(𝑥3)2]𝑑𝑥 2 0 𝑉 = [ 1 7 𝑥7]|0 2 𝑉 = 57.44𝑢3 b. 𝑉 = 2𝜋∫ [(𝑥)(𝑥3)]𝑑𝑥 2 0 𝑉 = [ 1 5 𝑥5]|0 2 𝑉 = 40.21𝑢3 Raúl Andrés Guillén Rangel 20030941 Page | 7 c. 𝑉 = 2𝜋 ∫ [(4 − 𝑥)(𝑥3)]𝑑𝑥 2 0 𝑉 = [𝑥4− 1 5 𝑥5] |0 2 𝑉 = 60.31𝑢3 Raúl Andrés Guillén Rangel 20030941 Page | 8 II. a. 𝑉 = 𝜋 ∫ [( 10 𝑥2 )2] 𝑑𝑥 5 1 𝑉 = 𝜋 ∫ [ 100 𝑥4 ] 𝑑𝑥 5 1 𝑉 = [− 100 3𝑥3 ] |1 5 𝑉 = 103.88𝑢3 b. 𝑉 = 2𝜋 ∫ [(𝑥)( 10 𝑥2 )] 𝑑𝑥 5 1 Raúl Andrés Guillén Rangel 20030941 Page | 9 𝑉 = 2𝜋 ∫ [ 10 𝑥 ] 𝑑𝑥 5 1 𝑉 = 20𝜋[ln(𝑥)]|1 5 𝑉 = 101.12𝑢3 c. 𝑉 = 𝜋∫ [(10)2 − (10 − 10 𝑥2 )2] 𝑑𝑥 5 1 𝑉 = 𝜋 ∫ [ 200 𝑥2 + 100 𝑥4 ] 𝑑𝑥 5 1 𝑉 = 𝜋[− 200 𝑥 + 100 3𝑥3 ]|1 5 𝑉 = 398.98𝑢3 III. Raúl Andrés Guillén Rangel 20030941 Page | 10 a. 𝑉 = 2𝜋 ∫ [(𝑦)(√𝑎 − √𝑦)2]𝑑𝑥 9 0 𝑉 = 2𝜋 ∫ [𝑎𝑦 − 2𝑦√𝑎√𝑦 + 𝑦2]𝑑𝑥 9 0 𝑉 = 2𝜋[ 1 2 𝑎𝑦2 − 4 5 √𝑎𝑦 5 2 + 1 3 𝑦3]|0 9 𝑉 = 𝜋𝑎3 15 𝑢3 b. 𝑉 = 2𝜋 ∫ [(𝑥)(√𝑎 − √𝑥)2]𝑑𝑥 9 0 𝑉 = 2𝜋∫ [𝑎𝑥 − 2𝑥√𝑎√𝑥 + 𝑥2]𝑑𝑥 9 0 𝑉 = 2𝜋[ 1 2 𝑎𝑥2− 4 5 √𝑎𝑥 5 2+ 1 3 𝑥3]|0 9 𝑉 = 𝜋𝑎3 15 𝑢3 Raúl Andrés Guillén Rangel 20030941 Page | 11 c. 𝑉 = 2𝜋 ∫ [(𝑎 − 𝑥)(√𝑎 − √𝑥)2]𝑑𝑥 9 0 𝑉 = 2𝜋 ∫ [𝑎2 − 2𝑎√𝑎√𝑥 + 2𝑥√𝑎√𝑥 − 𝑥2]𝑑𝑥 9 0 𝑉 = 2𝜋 [𝑥𝑎2 − 4 3 𝑎√𝑎𝑥 3 2+ 4 5 √𝑎𝑥 5 2− 1 3 𝑥3] |0 9 𝑉 = 4𝜋𝑎3 15 𝑢3 6. a. 𝑉 = 𝜋 ∫ [√𝑥(4 − 𝑥)2 2 ] 𝑑𝑥 4 0 𝑉 = 𝜋∫ [16𝑥 − 8𝑥2+ 𝑥3]𝑑𝑥 4 0 𝑉 = 𝜋[8𝑥2− 8 3 𝑥3+ 1 4 𝑥4]|0 4 𝑉 = 67.02𝑢3 b. 𝑉 = 2𝜋∫ [(𝑥)(√𝑥(4 − 𝑥)2)] 𝑑𝑥 4 0 𝑉 = 2𝜋 ∫ [4𝑥 3 2− 𝑥 5 2] 𝑑𝑥 4 0 𝑉 = 2𝜋[ 8 5 𝑥 5 2− 2 7 𝑥 7 2]|0 4 𝑉 = 183.82𝑢3 Raúl Andrés Guillén Rangel 20030941 Page | 12 c. 𝑉 = 2𝜋 ∫ [(4 − 𝑥)(√𝑥(4 − 𝑥)2)] 𝑑𝑥 4 0 𝑉 = 2𝜋 ∫ [16𝑥 1 2− 8𝑥 3 2+ 𝑥 5 2]𝑑𝑥 4 0 𝑉 = 2𝜋[ 32 3 𝑥 3 2− 16 5 𝑥 5 2 + 2 7 𝑥 7 2]|0 4 𝑉 = 245𝑢3
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