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Aira01 Aira01
  • 29-01-2017
  • Mathematics
Answered

Square root of 45 with radicals

Verified Answer :

Olivia123456 Olivia123456
  • 29-01-2017

√(45)
√(9×5)
√(3×3×5)
3√5


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apologiabiology
apologiabiology apologiabiology
  • 29-01-2017

remember
\(\sqrt{ab}=( \sqrt{a})( \sqrt{b})\) so

\(\sqrt{45}=\sqrt{3*3*5}=( \sqrt{3})( \sqrt{3})( \sqrt{5})=(3)( \sqrt{5})=3 \sqrt{5}\)

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