4+3root5/4-root5=a+b root5
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= 4 + 3√5 / 4 - 3√5= 4 + 3√5 / 4 - 3√5 × 4 + 3√5 / 4 + 3√5= [ (4)² + 2 (4) (3√5) ... More
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Answer:Here is the answer in a very easy method. Hope it may help you. More
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