Algebra 2ChallengeCircles & Lines ShareCircles & Lines · Challenge problemDefine a1=1a_1 = 1a1=1 and an+1=an1+ana_{n+1} = \dfrac{a_n}{1 + a_n}an+1=1+anan. What is a100a_{100}a100?A199\dfrac{1}{99}991B1101\dfrac{1}{101}1011C1299\dfrac{1}{2^{99}}2991D1100\dfrac{1}{100}1001E150\dfrac{1}{50}501Check Show answer Walk through it step by step Practice more like this Review this concept