29-01-2017
Mathematics

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Square root of 45 with radicals

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Olivia123456 Olivia123456

29-01-2017

√(45)
√(9×5)
√(3×3×5)
3√5

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apologiabiology apologiabiology

29-01-2017

remember
[tex] \sqrt{ab}=( \sqrt{a})( \sqrt{b}) [/tex] so

[tex] \sqrt{45}=\sqrt{3*3*5}=( \sqrt{3})( \sqrt{3})( \sqrt{5})=(3)( \sqrt{5})=3 \sqrt{5} [/tex]

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