a-1/a=3 হলে a³-1/a³ এর মান কত?

a-1/a=3 হলে a³-1/a³ এর মান কত?

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    a³ – (1/a)³ = {a – (1/a)}³ + 3.a.(1/a){a – (1/a)}

    = 3³ + 3×3

    = 27 + 9

    = 36

    Answered on January 12, 2024.
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