anonymous
  • anonymous
What is the rational denominator of... 5x^4/sqrt(4x-6)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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tkhunny
  • tkhunny
I do wish I knew what this question meant. Please show your work and give us a clue.
anonymous
  • anonymous
\[\frac{ 5x^3 }{ \sqrt{4x-6} }\]
anonymous
  • anonymous
rationalize the denominator

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tkhunny
  • tkhunny
Okay, do it. What's preventing you from doing the two multiplications, one in the numerator and one in the denominator? Never post a problem with no work shown.
anonymous
  • anonymous
What do I multiply them by? I am doing this class online and I dont get the tutorials. You dont need to be rude!!
tkhunny
  • tkhunny
I am never rude. I am honest and direct. This is often mistaken for rudeness. I have yet to see an online program that was particularly helpful. They may be out there. I just haven't seen them. You must multiply by whatever will make the denominator rational. \(\dfrac{3}{\sqrt{2}} = \dfrac{3}{\sqrt{2}}\cdot\dfrac{\sqrt{2}}{\sqrt{2}} = \dfrac{3\sqrt{2}}{2}\) See how that works?

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