यदि \(t=\sqrt{17}+4\) है तो \(t+\frac{1}{t}\) का मान क्या है?
If \(t=\sqrt{17}+4\), what is the value of \(t+\frac{1}{t}\)?
Explanation opens after your attempt
A. \(2\sqrt{17}\)
Concept
\(\frac{1}{\sqrt{17}+4}=\sqrt{17}-4\) because the denominator becomes (17-16=1). So the sum is \(2\sqrt{17}\).
Why this answer is correct
The correct answer is A. \(2\sqrt{17}\). \(\frac{1}{\sqrt{17}+4}=\sqrt{17}-4\) because the denominator becomes (17-16=1). So the sum is \(2\sqrt{17}\).
Exam Tip
\(\frac{1}{\sqrt{17}+4}=\sqrt{17}-4\) है क्योंकि हर (17-16=1) बनता है। इसलिए योग \(2\sqrt{17}\) है।
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