Aira01
Aira01
29-01-2017
Mathematics
contestada
Square root of 45 with radicals
Respuesta :
Olivia123456
Olivia123456
29-01-2017
√(45)
√(9×5)
√(3×3×5)
3√5
Answer Link
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]
Answer Link
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