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OpenStudy (anonymous):
For all positive integers a and b, let a·b defined by a·b=a^b+1/a-1. What is the value of 4·2 ?
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OpenStudy (anonymous):
I get 17/3 a·b=a^b+1/a-1 4·2 =4^2+1/4-1 = 17/3
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