. If x + 1/x = 5, find the value of x3 + 1/x3
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(x+1/x)^3 = 5^3 = 125
x3 + 1/x3 + 3(1/x)(x)(1/x+x) = 125
x3 + 1/x3 = 125 - 3(1)(5) = 125 - 15 = 110
x3 + 1/x3 + 3(1/x)(x)(1/x+x) = 125
x3 + 1/x3 = 125 - 3(1)(5) = 125 - 15 = 110
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