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√4√6+2√3 Does the √6 have an invisible one behind it?

 Feb 4, 2016

Best Answer 

 #1
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sqrt 4 = 2

 

so    2 sqrt6 + 2 sqrt3   =  2  sqrt(3*2) + 2 sqrt 3     = 2 sqrt3 sqrt2  + 2 sqrt3  = 2sqrt3 (sqrt2 + 1)

 Feb 4, 2016
 #1
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Best Answer

sqrt 4 = 2

 

so    2 sqrt6 + 2 sqrt3   =  2  sqrt(3*2) + 2 sqrt 3     = 2 sqrt3 sqrt2  + 2 sqrt3  = 2sqrt3 (sqrt2 + 1)

Guest Feb 4, 2016
 #2
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No... don't solve it. Is there an invisble one behind √6?

 Feb 4, 2016
 #3
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Well, yes there can be an invisble '1' behind it.......if you are multiplying by this '1' , it won't change anything in the answer.

 Feb 4, 2016

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