यदि \(x=2-\sqrt{3}\), तो \(\frac{1}{x}+x\) का मान क्या है?

If \(x=2-\sqrt{3}\), what is the value of \(\frac{1}{x}+x\)?

Explanation opens after your attempt
Correct Answer

A. (4)

Step 1

Concept

Since \(\frac{1}{2-\sqrt{3}}=2+\sqrt{3}\), (\frac{1}{x}+x=\(2+\sqrt{3}\)+\(2-\sqrt{3}\)=4). In exams, identify conjugate numbers quickly.

Step 2

Why this answer is correct

The correct answer is A. (4). Since \(\frac{1}{2-\sqrt{3}}=2+\sqrt{3}\), (\frac{1}{x}+x=\(2+\sqrt{3}\)+\(2-\sqrt{3}\)=4). In exams, identify conjugate numbers quickly.

Step 3

Exam Tip

\(\frac{1}{2-\sqrt{3}}=2+\sqrt{3}\), इसलिए (\frac{1}{x}+x=\(2+\sqrt{3}\)+\(2-\sqrt{3}\)=4)। परीक्षा में संयुग्म संख्या तुरंत पहचानें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(x=2-\sqrt{3}\), तो \(\frac{1}{x}+x\) का मान क्या है? / If \(x=2-\sqrt{3}\), what is the value of \(\frac{1}{x}+x\)?

Correct Answer: A. (4). Explanation: \(\frac{1}{2-\sqrt{3}}=2+\sqrt{3}\), इसलिए (\frac{1}{x}+x=\(2+\sqrt{3}\)+\(2-\sqrt{3}\)=4)। परीक्षा में संयुग्म संख्या तुरंत पहचानें। / Since \(\frac{1}{2-\sqrt{3}}=2+\sqrt{3}\), (\frac{1}{x}+x=\(2+\sqrt{3}\)+\(2-\sqrt{3}\)=4). In exams, identify conjugate numbers quickly.

Which concept should I revise for this Mathematics MCQ?

Since \(\frac{1}{2-\sqrt{3}}=2+\sqrt{3}\), (\frac{1}{x}+x=\(2+\sqrt{3}\)+\(2-\sqrt{3}\)=4). In exams, identify conjugate numbers quickly.

What exam hint can help solve this Mathematics question?

\(\frac{1}{2-\sqrt{3}}=2+\sqrt{3}\), इसलिए (\frac{1}{x}+x=\(2+\sqrt{3}\)+\(2-\sqrt{3}\)=4)। परीक्षा में संयुग्म संख्या तुरंत पहचानें।