PLEASE SOLVE THIS WITH PROPER STEPS
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a-1/a=4
(a-1/a)³=4³
a³-1/a³-3*a*1/a(a-1/a)=64
a³-1/a³-3(a-1/a)=64
a³-1/a³-3*4=64
a³-1/a³-12=64
a³-1/a³=76
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