$a (2 a - 3) = \frac{1}{2}$ হলে-
i. $4 a^{2} - \frac{1}{4 a^{2}} = 3 \sqrt{13}$
ii. ${(2 a + \frac{1}{2 a})}^{2} = 13$
iii. $4 a^{2} + \frac{1}{4 a^{2}} = 11$
নিচের কোনটি সঠিক?

Created: 1 year ago | Updated: 3 months ago

Updated: 3 months ago

i ও ii

i ও iii

ii ও iii

i, ii ও iii

নবম-দশম শ্রেণি (মাধ্যমিক) দিনাজপুর বোর্ড গণিত

Des

717

প্রশ্ন:
$a (2 a - 3) = \frac{1}{2}$ হলে-
i. $4 a^{2} - \frac{1}{4 a^{2}} = 3 \sqrt{13}$
ii. ${(2 a + \frac{1}{2 a})}^{2} = 13$
iii. $4 a^{2} + \frac{1}{4 a^{2}} = 11$
নিচের কোনটি সঠিক?

সঠিক উত্তর : i, ii ও iii

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Des.

গণিত

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$a (2 a - 3) = \frac{1}{2}$ হলে-
i. $4 a^{2} - \frac{1}{4 a^{2}} = 3 \sqrt{13}$
ii. ${(2 a + \frac{1}{2 a})}^{2} = 13$
iii. $4 a^{2} + \frac{1}{4 a^{2}} = 11$
নিচের কোনটি সঠিক?

প্রশ্ন:
$a (2 a - 3) = \frac{1}{2}$ হলে-
i. $4 a^{2} - \frac{1}{4 a^{2}} = 3 \sqrt{13}$
ii. ${(2 a + \frac{1}{2 a})}^{2} = 13$
iii. $4 a^{2} + \frac{1}{4 a^{2}} = 11$
নিচের কোনটি সঠিক?

গণিত

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