the R.F of 1/√3+2 is _
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Rationalizing Factor of 1/√3+2 is 1/√3-2.
When they give such q's like √4 + 3 or √5 - 2, the answer is very simple, just change the sign i.e. Plus changes to minus and minus changes to plus.
Eg:√4 + 3 = √4 - 3 or √5 - 2 = √5 + 2
Hope it is helpful. Take care.
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