\(\frac{1}{\sqrt{12}+\sqrt{5}}+\frac{1}{\sqrt{12}-\sqrt{5}}\) का मान क्या है?
What is the value of \(\frac{1}{\sqrt{12}+\sqrt{5}}+\frac{1}{\sqrt{12}-\sqrt{5}}\)?
Explanation opens after your attempt
Correct Answer
C. \(\frac{4\sqrt{3}}{7}\)
Concept
Adding both fractions gives numerator \(2\sqrt{12}\) and denominator (12-5=7). So the value is \(\frac{4\sqrt{3}}{7}\).
Why this answer is correct
The correct answer is C. \(\frac{4\sqrt{3}}{7}\). Adding both fractions gives numerator \(2\sqrt{12}\) and denominator (12-5=7). So the value is \(\frac{4\sqrt{3}}{7}\).
Exam Tip
दोनों भिन्नों को जोड़ने पर अंश \(2\sqrt{12}\) और हर (12-5=7) मिलता है। इसलिए मान \(\frac{4\sqrt{3}}{7}\) है।
Login to save your score, XP, coins and progress.