RosellaLathon RosellaLathon

14-07-2014
Mathematics

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what is the square root of 18, square root of 50 and square root of 27x^3y?

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Аноним Аноним

14-07-2014

[tex]\sqrt{18}=\sqrt{9\cdot2}=\sqrt9\cdot\sqrt2=3\sqrt2\\\\\sqrt{18}\approx4.24\\\\\sqrt{50}=\sqrt{25\cdot2}=\sqrt{25}\cdot\sqrt2=5\sqrt2\\\\\sqrt{50}\approx7.07\\\\\sqrt{27x^3y}=\sqrt{9\cdot3x^2xy}=\sqrt{9x^2}\cdot\sqrt{3xy}=3x\sqrt{3xy}[/tex]

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