Răspuns :
1.b
[tex] \sqrt{2 \times {2 \times}^{2} \times {2}^{3} \times ...... \times {2}^{40 } } = \\ \sqrt{ {2}^{40 \times 41 \div 2} } = \\ \sqrt{ {2}^{820} } = \\ {2}^{410} [/tex]
1.b
[tex] \sqrt{2 \times {2 \times}^{2} \times {2}^{3} \times ...... \times {2}^{40 } } = \\ \sqrt{ {2}^{40 \times 41 \div 2} } = \\ \sqrt{ {2}^{820} } = \\ {2}^{410} [/tex]