rationalising factor of denominator of 1/√7 - √6 =
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Answer:
1/√7-√6.
Rationalising denominator of √7-√6 is √7+√6.
Multiply numerator & denominator by √7+√6.
1/√7-√6×√7+√6/√7+√6.
√7+√6/(√7)²-(√6)². (Because (a-b)×(a+b)=a²-b² where a=√7 & b=√6).
√7+√6/7-6. (Because √ & ² will cancel).
√7+√6/1.
√7+√6.
I think this is your answer.
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