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IB Mathematics: Applications and Interpretation HL · 12.1: Sequences & Series · 12.1.10

Sequences and series: revision Problem set A Answers

Skills

    1. (a) \(S_1=3\), \(S_2=14\)
    2. (b) \(u_1=3\), \(u_2=11\)
    3. (c) \(d=8\)
    4. (d) \(u_{15}=115\)
    5. (e) n = 19
    6. (f) n = 18

  2. \(u_1=52\)

    1. (a) \(d=4\)
    2. (b) \(u_1=-3\)
    3. (c) \(u_{60}=233\)
    4. (d) \(S_{100}=19500\)

  4. 7.59

  5. 43.6

In context

    1. (a) 92 seats
    2. (b) 1400 seats
    3. (c) 31 rows
    1. (a) 1368
    2. (b) 12734

  3. 300 mg

Stretch

  1. \(u_1=3.5\), \(d=4\)

jmaths.xyz · AI HL · 12.1.10 Sequences and series: revision