Class 10 ICSE Chapter Arithmetic and Geometric Progression Exercise 9-1
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class 10 Arithmetic and Geometric Progression Exercise9-1
Arithmetic and Geometric Progression
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Q1 For the following A.P.s, write the first term ‘a’ and the common difference ‘d’:
(i) 3, 1, – 1, – 3, …
(ii) 1/3, 5/3, 9/3, 13/3, ….
(iii) -3.2, -3, -2.8, -2.6, ...
Q2 Write first four terms of the A.P., when the first term a and the common difference d are given as follows:
(i) a = 10, d = 10
(ii) a = -2, d = 0
(iii) a = 4, d = -3
(iv) a = ½, d = -1/6
Q3 Which of the following lists of numbers form an A.P., If they form an A.P., find the common difference d and write the next three terms:
(i) 4, 10, 16, 22, …
(ii) -2, 2, -2, 2, …
(iii) 2, 4, 8, 16, …
(iv) 2, 5/2, 3, 7/2, …
(v) – 10, -6, -2, 2, …
(vi) 12, 32, 52, 72, …
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