Problem 63E: If f(x)=n=0xnn! and g(x)=n=0(1)nxnn! , find the power series of 12(f(x)+g(x)) and 12(f(x)g(x)) . Problem 64E: If C(x)=n=0x2n(2n)! and S(x)=n=0x2n+1(2n+1)! find the power series of C(x)+S(x) and of C(x)S(x) . Problem 65E: In the following exercises, use partial fractions to find the power series of each function. 65.... Problem 66E: In the following exercises, use partial fractions to find the power series of each function. 66.... Problem 67E: In the following exercises, use partial fractions to find the power series of each function. 68.... Problem 68E: In the following exercises, use partial fractions to find the power series of each function. 68.... Problem 69E: In the following exercises, express each series as a rational function. 69. n=11xn Problem 70E: In the following exercises, express each series as a rational function. 70. n=11x 2n Problem 71E: In the following exercises, express each series as a rational function. 71. n=11 (x3) 2n1 Problem 72E: In the following exercises, express each series as a rational function. 72. n=11 (x3) 2n11(x2)2n1 Problem 73E: The following exercises explore applications of annuities. 73. Calculate the present values P of an... Problem 74E: The following exercises explore applications of annuities. 74. Calculate the present values P of... Problem 75E: The following exercises explore applications of annuities. 75. Calculate the annual payouts C to be... Problem 76E: The following exercises explore applications of annuities. 76. Calculate the annual payouts C to be... Problem 77E: The following exercises explore applications of annuities. 77. Suppose that an annuity has a present... Problem 78E: The following exercises explore applications of annuities. 78. Suppose that an annuity has a present... Problem 79E: In the following exercises, express the sum of each power series in terms of geometric series, and... Problem 80E: In the following exercises, express the sum of each power series in terms of geometric series, and... Problem 81E: In the following exercises, express the sum of each power series in terms of geometric series, and... Problem 82E: In the following exercises, express the sum of each power series in terms of geometric series, and... Problem 83E: In the following exercises, find the power series of f(x)g(x) given f and g as defined. 83.... Problem 84E: In the following exercises, find the power series of f(x)g(x) given f and g as defined. 84. .... Problem 85E: In the following exercises, find the power series of f(x)g(x) given f and g as defined. 85.... Problem 86E: In the following exercises, find the power series of f(x)g(x) given f and g as defined. 86.... Problem 87E: In the following exercises, differentiate the given series expansion of f term-by-term to obtain the... Problem 88E: In the following exercises, differentiate the given series expansion of f term-by-term to obtain the... Problem 89E: In the following exercises, integrate the given series expansion of f term-by-term from zero to x to... Problem 90E: In the following exercises, integrate the given series expansion of f term-by-term from zero to x to... Problem 91E: In the following exercises, evaluate each infinite series by identifying it as the value of a... Problem 92E: In the following exercises, evaluate each infinite series by identifying it as the value of a... Problem 93E: In the following exercises, evaluate each infinite series by identifying it as the value of a... Problem 94E: In the following exercises, evaluate each infinite series by identifying it as the value of a... Problem 95E: In the following exercises, given that 11x=n=0xn use term-by-term differentiation or integration to... Problem 96E: In the following exercises, given that 11x=n=0xn use term-by-term differentiation or integration to... Problem 97E: In the following exercises, given that 11x=n=0xn use term-by-term differentiation or integration to... Problem 98E: In the following exercises, given that 11x=n=0xn use term-by-term differentiation or integration to... Problem 99E: In the following exercises, given that 11x=n=0xn use term-by-term differentiation or integration to... Problem 100E: In the following exercises, given that 11x=n=0xn use term-by-term differentiation or integration to... Problem 101E: In the following exercises, given that 11x=n=0xn use term-by-term differentiation or integration to... Problem 102E: T] Evaluate the power series expansion ln(1 + x) = (1+x)=n=1(1)n1xnn at x = 1 to show that In (2) is... Problem 103E: [T] Subtract the infinite series of 1n(1 x) from in (1 + x) to get a power series for in (1+x1x) .... Problem 104E: In the following exercises, using a substitution if indicated, express each series in terms of... Problem 105E: In the following exercises, using a substitution if indicated, express each series in terms of... Problem 106E: In the following exercises, using a substitution if indicated, express each series in terms of... Problem 107E: In the following exercises, using a substitution if indicated, express each series in terms of... Problem 108E: In the following exercises, using a substitution if indicated, express each series in terms of... Problem 109E: In the following exercises, using a substitution if indicated, express each series in terms of... Problem 110E: In the following exercises, using a substitution if indicated, express each series in terms of... Problem 111E: In the following exercises, using a substitution if indicated, express each series in terms of... Problem 112E: In the following exercises, using a substitution if indicated, express each series in terms of... Problem 113E: In the following exercises, using a substitution if indicated, express each series in terms of... Problem 114E: In the following exercises, using a substitution if indicated, express each series in terms of... Problem 115E: In the following exercises, using a substitution if indicated, express each series in terms of... format_list_bulleted