#how to approach this problem?

11 messages · Page 1 of 1 (latest)

craggy harbor
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im stuck. I tried to find an inverse but i couldnt

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warm daggerBOT
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craggy harbor
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is it even possible to find an inverse if there are two unknown variables like that?

tiny zealot
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dont find an inverse explicitly

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set f(i_1, j_1)=f(i_2, j_2) and show i_1=i_2, j_1=j_2

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then show any positive integer can be decomposed into that form

jaunty burrowBOT
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bobles

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tiny zealot
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@craggy harbor

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in this form, you might further want to relabel i+j=A>i

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and think of the function in the variables A, i