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QUESTION 3 (NOV.24TH)

Expert replies
Source: — Problem Solving |

by anayeri » Mon Nov 24, 2008 12:24 pm
√[2√63 + 2/(8+3√7)] =
√[2√(9x7) + 2/(8+3√7)] =
√[6√7 + 2/(8+3√7)] =
√[(6√7*(8+3√7) + 2)/(8+3√7)] =
√[48√7 + (18*7) + 2)/(8+3√7)] =
√[16*(3√7+8)/(8+3√7)]=
4
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by anayeri » Mon Nov 24, 2008 12:31 pm
sorry, that's an 18 x 7, not a cool dude in sunglasses.
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by niraj_a » Tue Nov 25, 2008 5:03 pm
WOW

i tried removing the radical out of the second equation first, guess that didnt work too well....
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