Question

please tell ans step wise

Answer 1

Answer:

9 is the answer

Step-by-step explanation:

x³-2/x

=(x-2/x)³-3.x.2/x(x-2/x) {we know that (a+b)³=(a-b)³-3×a×b(a-b)}

=3³-6×3

=27-18

=9(Answer)

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