1 Answers
দেওয়া আছে,
2x2-3x=2
বা, 2x2-2=3x
বা, x-1/x=3/2
সুতরাং, x3-1/x3
= (x-1/x)3+3x.1/x(x-1/x)
= (3/2)3+3(3/2)
= 27/8+9/2
= 63/8 (Ans)
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