what is the rationalizing factor of 2 +√7
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= root 7 this is your answer
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Answer:
2 + root 7
=> 2 + root 7 × 2 - root 7 => (2)^2 - ( root 7)^2 => 4-7
__________________ _____________ _______
2 - root 7 2 - root 7 2 - root 7
=> -3
_______
2 - root 7
Ans. -3
______
2 - root 7
Hope it helps.
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