यदि \(x=\frac{1}{\sqrt{6}-\sqrt{5}}\), तो (x) किसके बराबर है?

If \(x=\frac{1}{\sqrt{6}-\sqrt{5}}\), what is (x) equal to?

Explanation opens after your attempt
Correct Answer

A. \(\sqrt{6}+\sqrt{5}\)

Step 1

Concept

The conjugate of the denominator is \(\sqrt{6}+\sqrt{5}\).

Step 2

Why this answer is correct

The denominator becomes (\(\sqrt{6}\)2-\(\sqrt{5}\)2=6-5=1).

Step 3

Exam Tip

When the denominator is a difference of two surds, multiply by its conjugate. चरण 1: हर का संयुग्मी \(\sqrt{6}+\sqrt{5}\) है। चरण 2: हर (\(\sqrt{6}\)2-\(\sqrt{5}\)2=6-5=1) बनता है। चरण 3: जब हर में दो मूलों का अंतर हो, तो संयुग्मी से गुणा करें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(x=\frac{1}{\sqrt{6}-\sqrt{5}}\), तो (x) किसके बराबर है? / If \(x=\frac{1}{\sqrt{6}-\sqrt{5}}\), what is (x) equal to?

Correct Answer: A. \(\sqrt{6}+\sqrt{5}\). Explanation: चरण 1: हर का संयुग्मी \(\sqrt{6}+\sqrt{5}\) है। चरण 2: हर (\(\sqrt{6}\)2-\(\sqrt{5}\)2=6-5=1) बनता है। चरण 3: जब हर में दो मूलों का अंतर हो, तो संयुग्मी से गुणा करें। / Step 1: The conjugate of the denominator is \(\sqrt{6}+\sqrt{5}\). Step 2: The denominator becomes (\(\sqrt{6}\)2-\(\sqrt{5}\)2=6-5=1). Step 3: When the denominator is a difference of two surds, multiply by its conjugate.

Which concept should I revise for this Mathematics MCQ?

The conjugate of the denominator is \(\sqrt{6}+\sqrt{5}\).

What exam hint can help solve this Mathematics question?

When the denominator is a difference of two surds, multiply by its conjugate. चरण 1: हर का संयुग्मी \(\sqrt{6}+\sqrt{5}\) है। चरण 2: हर (\(\sqrt{6}\)2-\(\sqrt{5}\)2=6-5=1) बनता है। चरण 3: जब हर में दो मूलों का अंतर हो, तो संयुग्मी से गुणा करें।