if (a-1/a)=3 find a^3-1/a^3
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a - 1 / a = 3
a³ - 1/a³ = (a-1/a)³ + 3 (a - 1/a)
= 27 + 3*3
= 27 + 9
= 36
a³ - 1/a³ = (a-1/a)³ + 3 (a - 1/a)
= 27 + 3*3
= 27 + 9
= 36
jolly13:
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