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যদি $a^{2} - \sqrt{2} a + 1 = 0$ হয় তবে-
i. $a + \frac{1}{a} = \sqrt{2}$
ii. $a^{2} + \frac{1}{a^{2}} = 2$
iii. $a^{3} + \frac{1}{a^{3}} = \sqrt{2}$
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Created: 9 months ago | Updated: 1 month ago

Updated: 1 month ago

i ও ii

i ও iii

ii ও iii

i, ii ও iii

নবম-দশম শ্রেণি (মাধ্যমিক) ঢাকা বোর্ড গণিত

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