t-1/t=8 the find t^3+1/1/t^3
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Answer:
by cube both sides
(t-1/t)^3=8^3
t^3+1/t^3-3×t^2×8+3×t×1/t^2=512
t^3+1/t^3-24t^2+3/t=512
t^3+1/t^3=24t^2-3/t+512
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