a^2n-1=1/a^n-3
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Step-by-step explanation:
a^(2n-1)=1/a^(n-3)
a^(2n-1)=a^-(n-3) {1/a^n=a-^n}
a^(2n-1)=a^(-n+3)
2n-1=-n+3
3n=4
n=4/3
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