মান নির্ণয় করুন: x+1x=2 হলে x3+1x3 এর মান কত ?

Question

Shohan

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2025-01-04 04:42

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x-1x=4 হলে x3-1x3= কত?

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2x-2x=3 হলে x3+1x3 এর মান কত?

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x=4+3 হলে x3+1x3 = কত ?

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Shohan · Accepted Answer · 2024-12-14T13:31:11+06:00

Shohan

$x^{3} + \frac{1}{x^{3}} = {(x + \frac{1}{x})}^{3} - 3 \times x \times \frac{1}{x} (x + \frac{1}{x}) = {(2)}^{3} - 3 \times 2 = 4 - 6 = 2$

4 views Answered 2024-12-14 13:31