anonymous
  • anonymous
simplify the radical expression. (square root of 10/121)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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campbell_st
  • campbell_st
\[\sqrt{\frac{10}{121}} = \pm \frac{\sqrt{10}}{11}\]
alexwee123
  • alexwee123
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thomas5267
  • thomas5267
The square of something is always positive. So the correct answer should be \(\frac{\sqrt{10}}{11}\).

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thomas5267
  • thomas5267
@campbell_st
campbell_st
  • campbell_st
ok... so \[\sqrt{\frac{10}{(-11)^2}} \neq \sqrt{\frac{10}{121}}\]
thomas5267
  • thomas5267
Sorry, I mean the square root of real numbers are always positive. Sources: http://mathworld.wolfram.com/SquareRoot.html http://en.wikipedia.org/wiki/Square_root

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