Question

3+√7 ÷ 3-√7 = a+b√7
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Answer 1

Answer:

Step-by-step explanation:

3+root7/3-root7=

3+root7*3+root7/3-root7*3+root7=

(3+root7)^2/(3)^2-(root7)^2=

9+7+2*(3)(root7)/9-7=

16+6*root7/2

A=16/2

B=6/2

By rationalisation of denominator

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