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`(7+3sqrt(5))(7-3sqrt(5))` का वर्गमूल क्या है?A. `4`B. `sqrt(5)`C. `3sqrt(5)`D. `2` |
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Answer» Correct Answer - D According to the question `impliessqrt((7+3sqrt(5))(7-3sqrt(5)))` `implies sqrt(49-45)impliessqrt(4)=2` |
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