In Exercises 39-60, simplify by factoring. Assume that all variables in a radicand represent positive real numbers and no radicands involve negative quantities raised to even powers. 39. Vr 40. V 42. Vx®y? 41. Vy 43. V48x3 45. Vys 6,,7 44. V40x3 46. Vyll 48. Vr'y17,2 50. V32r°y7 47. V14,3. 49. V81x®y 51. V(x + y) 52. V(x + y)+ 53. Vy17 55. V64x°y!7 57. V80x10 59. V(x – 3)10 60. V(x – 2)14 8,6 .9. 54. Vy8 56. V64x7y16 58. V96x" 6,17 7,16

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