Math Problem Statement

定义了数列$$\{a_n\}$$,其中$$a_n$$是嵌套了$$n$$层根号的表达式。我们可以写出递归关系: $$a_1 = \sqrt{1}$$ $$a_{n+1} = \sqrt{1 + a_n}$$ 求极限

Solution

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Math Problem Analysis

Mathematical Concepts

Recurrence Relations
Limits
Algebra

Formulas

$$L = \sqrt{1 + L}$$
$$L^2 = 1 + L$$
Quadratic formula: $$L = \frac{1 \pm \sqrt{5}}{2}$$

Theorems

Quadratic Equation Solution
Convergence of Monotonic Bounded Sequences

Suitable Grade Level

Undergraduate Level