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B
False
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Solution
The correct option is A True 3+√73−√7=a+b√7 ⇒3+√73−√7×3+√73+√7=a+b√7 ⇒(3+√7)2(32−√72)=a+b√7 ⇒16+6√72=a+b√7 ⇒8+3√7=a+b√7 Comparing LHS and RHS we get ⇒a=8,b=3