\(\frac{4+\sqrt{7}}{4-\sqrt{7}}\) का सरल रूप कौन-सा है?
Which is the simplified form of \(\frac{4+\sqrt{7}}{4-\sqrt{7}}\)?
Explanation opens after your attempt
A. \(\frac{23+8\sqrt{7}}{9}\)
Concept
Multiplying by the conjugate gives denominator (16-7=9) and numerator (\(4+\sqrt{7}\)2=23+8\sqrt{7}). So the correct form is \(\frac{23+8\sqrt{7}}{9}\).
Why this answer is correct
The correct answer is A. \(\frac{23+8\sqrt{7}}{9}\). Multiplying by the conjugate gives denominator (16-7=9) and numerator (\(4+\sqrt{7}\)2=23+8\sqrt{7}). So the correct form is \(\frac{23+8\sqrt{7}}{9}\).
Exam Tip
संयुग्मी से गुणा करने पर हर (16-7=9) और अंश (\(4+\sqrt{7}\)2=23+8\sqrt{7}) मिलता है। इसलिए सही रूप \(\frac{23+8\sqrt{7}}{9}\) है।
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