if 3+√7/3-√7 = a+b√7,find the value of a and b
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3+√7/3-√7=a+b√7
(3+√7)²/9-7=a+b√7
9+7+6√7/2=a+b√7
16+6√7/2=a+√7
8+3√7=a+b√7
comparing both sides
a=8 ,b=3
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