<![CDATA[C4]]>https://forum.poshenloh.com/category/589RSS for NodeSat, 31 Oct 2020 07:04:12 GMTFri, 17 Jul 2020 02:01:09 GMT60<![CDATA[Another way of rationalising denominator]]>I like to rationalise denominators this way:
There’s a \( \sqrt{2}\) in the denominator, so to get rid of that, we need a \( \sqrt{2}\) in the numerator.
Luckily, \(10\) is made of \( \sqrt{2} \times 5 \sqrt{2}\).
Cancellong out the two \( \sqrt{2}\)‘s in the numerator and the denominator, we get \(5 \sqrt{2}\).
]]>https://forum.poshenloh.com/topic/324/another-way-of-rationalising-denominatorhttps://forum.poshenloh.com/topic/324/another-way-of-rationalising-denominatorFri, 17 Jul 2020 02:01:09 GMT