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let y frac 1 2 frac 1 3 frac 1 2 frac 1 3 dots wha
Question:
Let \( y = \frac{1}{2 + \frac{1}{3 + \frac{1}{2 + \frac{1}{3 + \dots}}}} \). What is the value of \(y\)?
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In continued fraction problems, assume the entire fraction repeats and solve the resulting quadratic equation.
CAT - 2004
CAT
Updated On:
Aug 1, 2025
\( \frac{\sqrt{11} + 3}{2} \)
\( \frac{\sqrt{11} - 3}{2} \)
\( \frac{\sqrt{15} + 3}{2} \)
\( \frac{\sqrt{15} - 3}{2} \)
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The Correct Option is
B
Solution and Explanation
This is a continued fraction problem. By solving the recurrence relation or simplifying the continued fraction, we arrive at the solution \( y = \frac{\sqrt{11} - 3}{2} \). \[ \boxed{\frac{\sqrt{11} - 3}{2}} \]
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