Calculus II Review Test 2

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1 Calculus II Review Test Fid the itegral. ) x( x - 7) 4) - 4x ) x x6 + 8 ) 9 + x 3) x x ) x (l x) 6) 7) 6 - x + (x + ) Evaluate the itegral. cos(l x - 7) ) x 8) x + x4 6) et cot(et - 4 )dt 9) x ( + 4 lx) 7) sec t dt 8) - si x + cos x 9) si x cos x ) ecot v cscv dv ) ( - 6x) e(3x - 9x) ) ) ) x + 8x x + x + 9 -x + 4x + Evaluate the itegral by usig trigoometric idetities ad substitutios to reduce it to stadard form. 3) (csc x + cot x) ) e /t dt t 4) (si x + cos x) 3) 7l x x ) si x sec x

2 6) si x Evaluate the itegral by reducig the improper fractio ad usig a substitutio if ecessary. 8x 7) 8x + 3 8) 4x + 4x x - Evaluate the itegral by separatig the fractio ad usig a substitutio if ecessary. x + 3 9) 6 - x 3) 3) x + x + x x + π/4 cos θ - dθ si θ π/6 Evaluate the itegral by multiplyig by a form of ad usig a substitutio (if ecessary) to reduce it to stadard form. 3) - si x 33) 34) 8 + 8sec x cos x - si x Evaluate the itegral. 3) -3x cos 4x 36) x si x 37) e-x cos 4 x 38) xex 39) 4 9x l x 4) (4x + 7) e-6x Solve the problem. 4) Fid the area betwee y = l x ad the x-axis from x = to x =. 4) Fid the area of the regio eclosed by the curve y = x si x ad the x-axis for 4π x π. 43) Fid the volume of the solid geerated by revolvig the regio i the first quadrat bouded by y = ex ad the x-axis, from x = to x = l 3, about the y-axis. Express the itegrad as a sum of partial fractios ad evaluate the itegral. 4x ) x + 8x + 7 4) 46) 47) 48) x + 7 x + x 4x + 64 x3 + 8x + 6x 7x + x + 96 x3 + 6x 6x + x + 4 (x + )(x - 6)

3 Evaluate the itegral by first performig log divisio o the itegrad ad the writig the proper fractio as a sum of partial fractios. 49) ) 8x3 + 8x + 3 x + x x3 x + x + Evaluate the itegral. ) cos3 4x ) π/4 si7y dy 3) 8 sec4 x 4) π/8 ta4 t dt -π/8 ) si 7x cos 3x 6) cos 9x cos x Solve the problem. 7) Fid the legth of the curve y = l(si x), π/3 x π/ 8) Fid the volume geerated by revolvig the curve y = cos 4x about the x-axis, x π/48 Itegrate the fuctio. 9) - x 6) x 6) 6) 63) t dt x 9x - 6, x > 4x - Evaluate the improper itegral or state that it is diverget. 64) 8x(x + ) 6) 66) 67) 68) (x - ) 9 x3 x e-x6 - xe-x - Evaluate the improper itegral ) 49 - x 7) 7) - 7 x/3 3 x l3x Fid the area or volume. 7) Fid the area of the regio i the first quadrat betwee the curve y = e-x ad the x-axis.

4 73) Fid the volume of the solid geerated by revolvig the regio uder the curve y = x, from x = to x =, about the x-axis. Use partial fractios to fid the sum of the series. 8) (4 - )(4 + 3) 74) Fid the volume of the solid geerated by revolvig the area uder y = 8e-x i the first quadrat about the x-axis 86) 8 ( + 3) Fid the limit of the sequece if it coverges; otherwise idicate divergece. 7) a = l(7-3) - l( - 6) 76) a = 8 + (.) 77) a = ) a = Fid a formula for the th partial sum of the series ad use it to fid the seriesʹ sum if the series coverges. 79) ) (-) - 8) ( + )( + ) +... Fid the sum of the series. 9 8) 4 83) (-)- 7 3 Determie if the series coverges or diverges; if the series coverges, fid its sum. 87) (-) ) e ) 8- Fid the values of x for which the geometric series coverges. 9) 7 x 9) (x - ) 9) x - 8 Fid the sum of the geometric series for those x for which the series coverges. 93) -4 x 84) ) (x - )

5 9) (x + ) Chage the repeatig decimal to a fractio. 96) ) Use the itegral test to determie whether the series coverges. 6 98) 99) ) 6-6 ex - Use the direct compariso test to determie if the series coverges or diverges. ) ) + Use the limit compariso test to determie if the series coverges or diverges. 6 3) 93/ - + Use the root test to determie if the series coverges or diverges. (!) 6) 7) 8) 3 - Determie covergece or divergece of the series ) Determie covergece or divergece of the alteratig series. (-3) ) 87 + ) (-) /3 Determie either absolute covergece, coditioal covergece or divergece for the series. ) (-) ) (-) l Use the ratio test to determie if the series coverges or diverges. 8 4)! 4) (-)- ) 7 7

6 Aswer Key Testame: REVIEW FOR TEST ) l x - 7 ) 9 x / 3) 9 (x 6 + 4) 3/ 4) - 4(l x)4 ) si(l x - 7) 6) l si(et - 4) 7) l sec t + ta t 8) l + cos x 9) si 3x 3 ) - ecot v ) 3 e (3x - 9x) ) - e /t 3) 7 l x l 7 4) si - x ) 3 ta - x 3 6) si- 4 7) ta - (x + ) 8) ta - x 9) ta - ( l x) ) ta - x + 4 ) ta ta - ) si- x - 4 3) -cot x - csc x - x 4) x - cos x ) -cos x 6) x - si x

7 Aswer Key Testame: REVIEW FOR TEST 7) x - 3 l 8x ) x + 3x + 3 l x - 9) x + 3si- x 4 3) x + + l x 3) ) ta x + sec x 33) (cot x - csc x + x) 8 34) l sec x + ta x - l cos x 3) cos 4x - 3 x si 4x 4 36) si x - x cos x 37) 7 38) xex - ex 39) 6.3 4) - 3 x e -6x e -6x 4) l + (-) 4) 9π 43) π(3l 3 - ) (x + )7 44) l (x + 7)3 4) l x7 (x + ) 46) 4 l x x x ) 6 l x + l x ta - x 4 48) 6 l x ta - x 49) 4x - 3 l x l x ) x - x + 3l x + + x + ) si 4x - 6 si 3 4x ) ) 8 ta x ta 3 x 4) π 4-3

8 Aswer Key Testame: REVIEW FOR TEST ) - cos x - 8 cos 4x 6) 4 si 7x + si x 7) l( 3) 8) π 96 + π 3 9) si- 6) 9 l x x 6) ta- 6 6) 4 sec x 63) l x + 4x - 64).63 6) 66) ) 68) Diverget 69) 4 7) 7) 9 l ) 73) π 74) 3π 7) l 7 76) 8 77) e3 78) 79) ) 6 - (-) + 4 8) ( + ) ; 8) 83) 7 4 ; series diverges ;

9 Aswer Key Testame: REVIEW FOR TEST 84) 8) 6 86) ) Coverges; e6 88) Coverges; e6-89) Coverges; 7 9) x < 7 9) < x < 3 9) 6 < x < 93) + 4x 94) 6 - x 9) - x 96) ) 7 98) diverges 99) diverges ) coverges ) Diverges ) Coverges 3) Diverges 4) Coverges ) Coverges 6) Diverges 7) Coverges 8) Coverges 9) Coverges ) Coverges ) Coverges ) Diverges 3) Diverges 4) coverges absolutely

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