यदि \(a=\sqrt{5}+\sqrt{3}\) और \(b=\sqrt{5}-\sqrt{3}\) हैं तो \(\frac{a}{b}\) का सरल रूप क्या है?

If \(a=\sqrt{5}+\sqrt{3}\) and \(b=\sqrt{5}-\sqrt{3}\), what is the simplified form of \(\frac{a}{b}\)?

Explanation opens after your attempt
Correct Answer

A. \(4+\sqrt{15}\)

Step 1

Concept

Multiplying by the conjugate gives denominator (5-3=2) and numerator \(8+2\sqrt{15}\). The simplified form is \(4+\sqrt{15}\).

Step 2

Why this answer is correct

The correct answer is A. \(4+\sqrt{15}\). Multiplying by the conjugate gives denominator (5-3=2) and numerator \(8+2\sqrt{15}\). The simplified form is \(4+\sqrt{15}\).

Step 3

Exam Tip

संयुग्मी से गुणा करने पर हर (5-3=2) और अंश \(8+2\sqrt{15}\) बनता है। सरल रूप \(4+\sqrt{15}\) है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a=\sqrt{5}+\sqrt{3}\) और \(b=\sqrt{5}-\sqrt{3}\) हैं तो \(\frac{a}{b}\) का सरल रूप क्या है? / If \(a=\sqrt{5}+\sqrt{3}\) and \(b=\sqrt{5}-\sqrt{3}\), what is the simplified form of \(\frac{a}{b}\)?

Correct Answer: A. \(4+\sqrt{15}\). Explanation: संयुग्मी से गुणा करने पर हर (5-3=2) और अंश \(8+2\sqrt{15}\) बनता है। सरल रूप \(4+\sqrt{15}\) है। / Multiplying by the conjugate gives denominator (5-3=2) and numerator \(8+2\sqrt{15}\). The simplified form is \(4+\sqrt{15}\).

Which concept should I revise for this Mathematics MCQ?

Multiplying by the conjugate gives denominator (5-3=2) and numerator \(8+2\sqrt{15}\). The simplified form is \(4+\sqrt{15}\).

What exam hint can help solve this Mathematics question?

संयुग्मी से गुणा करने पर हर (5-3=2) और अंश \(8+2\sqrt{15}\) बनता है। सरल रूप \(4+\sqrt{15}\) है।