If a 2 - 2a = 1, then what is the value of a^{3}−\frac{1}{a^{3}}?

OTET Paper 2 Math and Science 2016 Paper

Question : 80 of 120

Marks: +1, -0

If a² - 2a = 1, then what is the value of

a^{3}−\;{1}/{a^{3}}

?

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