radicals-> exponents help please
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radicals-> exponents help please
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rock4christ


Newbie


Joined: 13 Feb 2007
Posts: 20
Posted: 03 Mar 2007 05:02:22 pm    Post subject:
how would I take the cube root of the square root of 2 as an exponential equation? the square root of 2 is 21/2 but I dont know what to do with the cube root.
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todlangweilig


Advanced Member


Joined: 14 Feb 2006
Posts: 470
Posted: 03 Mar 2007 05:10:07 pm    Post subject:
rock4christ wrote:
how would I take the cube root of the square root of 2 as an exponential equation? the square root of 2 is 21/2 but I dont know what to do with the cube root.
[post="98279"]<{POST_SNAPBACK}>[/post]

If my math knowledge serves me correctly:
((2)1/2)1/3
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rock4christ


Newbie


Joined: 13 Feb 2007
Posts: 20
Posted: 03 Mar 2007 05:14:56 pm    Post subject:
todlangweilig wrote:
rock4christ wrote:
how would I take the cube root of the square root of 2 as an exponential equation? the square root of 2 is 21/2 but I dont know what to do with the cube root.
[post="98279"]<{POST_SNAPBACK}>[/post]

If my math knowledge serves me correctly:
((2)1/2)1/3
[post="98281"]<{POST_SNAPBACK}>[/post]

I figured, but Im supposed to simplify it into 1 number w/ 1 fractional exponent and turn that to a radical
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DarkerLine
ceci n'est pas une |


Super Elite (Last Title)


Joined: 04 Nov 2003
Posts: 8328
Posted: 03 Mar 2007 05:18:31 pm    Post subject:
(xa)b = xab.

Thus, (21/2)1/3 = 21/6, the 6th root of 2.
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rock4christ


Newbie


Joined: 13 Feb 2007
Posts: 20
Posted: 03 Mar 2007 05:25:07 pm    Post subject:
WHAT!!!! I could have sworn I tried 21/6 and got 1.7 something instead of 1.12 something... but yay! thanks!!
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Weregoose
Authentic INTJ


Super Elite (Last Title)


Joined: 25 Nov 2004
Posts: 3976
Posted: 03 Mar 2007 09:08:13 pm    Post subject:
Moved to Math and Science. I love seeing topics like this! Smile

Last edited by Guest on 03 Mar 2007 09:08:37 pm; edited 1 time in total
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radicals-> exponents help please
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