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If (x=2-\sqrt{3}), what is the value of (\frac{1}{x}+x)?यदि (x=2-\sqrt{3}), तो (\frac{1}{x}+x) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (4)(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.(\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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