07 Sequences (1) - Mathematics(HKCEE M.C 06 Sequences(1997Q35 A.S The n-th term of an arithmetic sequence is 3 2n Find the sum of the first 50 terms of

07 Sequences (1) - Mathematics(HKCEE M.C 06...

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Mathematics Mathematics (HKCEE (HKCEE M.C.) M.C.) 06 Sequences 06 Sequences (1997Q35) A.S. The n -th term of an arithmetic sequence is 3 + 2 n . Find the sum of the first 50 terms of the sequence. A. 103 B. 2575 C. 2700 D. 2750 E. 5400 (1997Q36) G.S. The first term of a geometric sequence is a . If the sum to infinity of the sequence is a 4 3 , then the common ratio is A. 3 1 . B. 4 1 . C. 4 1 . D. 3 1 . E. 4 3 . Mathematics / HKCEE M.C. / 06 Sequences / P.1
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(1997Q37) G.S. a , b , c and d are 4 consecutive terms of a geometric sequence. Which of the following must be true? I. b 2 = ac II. c d a b III. 3 b c a d A. II only B. I and II only C. I and III only D. II and III only E. I, II and III (1998Q13) A.S. If a , b , c and d are consecutive terms of an arithmetic sequence, which of the following must be true? I. b a = d c II. d , c , b and a are consecutive terms of an arithmetic sequence III. a < b < c < d A. I only B. I and II only C. I and III only D. II and III only E. I, II and III Mathematics / HKCEE M.C. / 06 Sequences / P.2
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(1998Q43) G.S Find the sum to infinity of the geometric sequence 1, x 1 , 2 1 x , 3 1 x , . . ., where 1 x . A. 1 1 x B. 1 1 x C. 1 x x D. 1 x x E. 1 x x (1999Q10) A.S. The n -th term of an arithmetic sequence is 2 + 5 n . Find the sum of the first 100 terms of the sequence. A. 502 B. 12450 C. 25200 D. 25450 E. 25700 Mathematics / HKCEE M.C. / 06 Sequences / P.3
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(1999Q44) G.S. The sum of the first two terms of a geometric sequence is 3 and the sum to infinity of the sequence is 4. Find the common ratio of the sequence.
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  • Spring '17
  • Geometric progression, HKCEE

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