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2014-10-27T22:52:24+05:30

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√12 = √2×2×3 = 2√3
√18 = √2×3×3 = 3√2
√27 = √3×3×3 = 3√3
√32 = √2×2×2×2×2 = 4√2

√12+√18+√27-√32 
=2√3 + 3√2 + 3√3 - 4√2
=2√3 + 3√3 + 3√2 - 4√2
=5√3 - √2
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2014-10-28T06:55:31+05:30
Root 12 + root 18 + root 27 - root 32
=root of 2 * 2* 3 + root of 3*3*2 + root 3*3*3 - root of 2*2*2*2*2
= 2 root 3 + 3 root 2 + 3 root 3 - 4 root 2
=5 root 3 - root 2
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samz. when you answer, there is a omega symbol below the writing space. you can get mathematical symbol by clicking on it and you can use it to write in a better way.