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January 27, 2015

January 27, 2015

Posted by **anonymous** on Thursday, September 9, 2010 at 5:08pm.

please can someone help me on how to get the answer 2+square root 5

- maths -
**Reiny**, Thursday, September 9, 2010 at 6:19pm(5+2√5)/√5

multiply top and bottom by √5

√5(5+2√5)/(√5√5)

=(5√5 + 10)/5

= 5(√5+2)/5

= √5 + 2

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