Tutorial 14.pdf

# Tutorial 14.pdf - Tutorial 14 1 An arithmetic series has...

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Tutorial 14 1. An arithmetic series has first term 4 and common difference 0.5. Find (i) the sum of the first 20 terms, [175] (ii) the sum of the first 100 terms. [2875] 2. If the first and tenth terms of an arithmetic sequence are 3 and 30, respectively, find the fiftieth term of the sequence. 3. Write down the first five terms of the geometric progression which has first term 1 and common ratio . [ 1, 4. An arithmetic sequence has a common difference equal to 10 and its 6 th term is equal to
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