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What will be the denominator after rationalising ( \frac{\sqrt{7}+2}{\sqrt{7}-2} )?( \frac{\sqrt{7}+2}{\sqrt{7}-2} ) का हर परिमेय करने के बाद हर क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (3)(3)
Multiplying by the conjugate ( \sqrt{7}+2 ) makes the denominator (7-4=3). Use difference of squares in the conjugate method.हर के संयुग्मी ( \sqrt{7}+2 ) से गुणा करने पर हर (7-4=3) होगा। संयुग्मी विधि में अंतर के वर्ग का प्रयोग करें।
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