x+1x=2 হলে x3+1x3=?

Question

Shohan

6 views

2025-01-04 04:42

1 Answers

2x-2x=3 হলে দেখাও যে 8x3-1x3=63.

1 Answers 11 Views

x2 -5x+1=0 হলে x3+1x3 =?

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x - 1x = 3 হলে x3 - 1x3 এর মান কত?

1 Answers 5 Views

x4-x2+1 = 0 হলে x3+1x3=?

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

Shohan

দেওয়া আছে, $x + \frac{1}{x} = 2$

আমরা জানি, $x^{3} + \frac{1}{x^{3}} = {(x + \frac{1}{x})}^{3} - 3 . x . \frac{1}{x} (x + \frac{1}{x})$

$= 2^{3} - 3 \times 2 = 8 - 6 2$

6 views Answered 2024-12-14 13:31