Geometric Series – Further Maths
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Question 1 of 45
1. Question
Find the first 3 terms of u_n = 3 × 8^n
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Question 2 of 45
2. Question
Find the first 3 terms of u_n = 4 × 8^{-n}
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Question 3 of 45
3. Question
Find the first 3 terms of u_n = 9 × 4^{n-2}
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Question 4 of 45
4. Question
Find the first 3 terms of u_n = 5 × 4^{-n-1}
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Question 5 of 45
5. Question
u_n = 4 × 6^n, find u_4
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Question 6 of 45
6. Question
u_n = 5 × 2^{-n}, find u_5
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Question 7 of 45
7. Question
u_n = 2 × 2^{n-1}, find u_3
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Question 8 of 45
8. Question
u_n = 2 × 7^{-n-1}, find u_4
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Question 9 of 45
9. Question
Find the nth term 35,175,875
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Question 10 of 45
10. Question
Find the nth term 2,4,8
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Question 11 of 45
11. Question
Find the nth term 6,18,54
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Question 12 of 45
12. Question
Find the nth term 3/7,3/49,3/343
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Question 13 of 45
13. Question
Find the nth term 1 1/7,8/49,8/343
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Question 14 of 45
14. Question
Find the nth term 3/4,3/32,3/256
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Question 15 of 45
15. Question
Find the nth term 5/6,5/36,5/216
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Question 16 of 45
16. Question
Find the sum of 42+252+1512…(9 terms)
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Question 17 of 45
17. Question
Find the sum of 54+324+1944…(4 terms)
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Question 18 of 45
18. Question
Find the sum of 16+32+64…(8 terms)
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Question 19 of 45
19. Question
Find the sum of -28+196+1372…(6 terms)
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Question 20 of 45
20. Question
Find the sum of -27±81±243…(9 terms)
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Question 21 of 45
21. Question
Find the sum of -32+-256+-2048…(6 terms)
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Question 22 of 45
22. Question
Find the sum of -7+-49+-343…(5 terms)
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Question 23 of 45
23. Question
Find the sum to infinity of 2/5+2/25+2/125…
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Question 24 of 45
24. Question
Find the sum to infinity of 1+1/8+1/64…
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Question 25 of 45
25. Question
Find the sum to infinity of 1+1/7+1/49…
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Question 26 of 45
26. Question
Find the sum to infinity of 3/8+3/64+3/512…
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Question 27 of 45
27. Question
Find the sum to infinity of -7/9+-7/81+-7/729…
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Question 28 of 45
28. Question
Find the sum to infinity of -5/9+-5/81+-5/729…
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Question 29 of 45
29. Question
Find the sum to infinity of -3/4+-3/16+-3/64…
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Question 30 of 45
30. Question
Find the sum to infinity of -1/3+-1/18+-1/108…
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Question 31 of 45
31. Question
Find the sum of ∑_{k=1}^4(3×8^k)
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Question 32 of 45
32. Question
Find the sum of ∑_{k=1}^3 (5×9^k)
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Question 33 of 45
33. Question
Find the sum of ∑_{k=1}^7 (6×6^k)
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Question 34 of 45
34. Question
Find the sum of ∑_{k=1}^4 (4×8^k)
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Question 35 of 45
35. Question
Find the sum of ∑_{k=1}^4 (7×2^k)
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Question 36 of 45
36. Question
Find the sum of ∑_{k=3}^9 (3×6^k[/latex)
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Question 37 of 45
37. Question
Find the sum of ∑_{k=3}^8 (4×3^k)
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Question 38 of 45
38. Question
Find the sum of ∑_{k=4}^7 (4×8^k)
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Question 39 of 45
39. Question
Find the sum of ∑_{k=4}^7 (6×3^k)
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Question 40 of 45
40. Question
Find the sum of ∑_{k=3}^9 (8×6^k)
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Question 41 of 45
41. Question
Find the sum to infinity of ∑_{k=1}^∞ (2×6^{-k})
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Question 42 of 45
42. Question
Find the sum to infinity of ∑_{k=1}^∞ (6×4^{-k})
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Question 43 of 45
43. Question
Find the sum to infinity of ∑_{k=1}^∞ (3×5^{-k})
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Question 44 of 45
44. Question
Find the sum to infinity of ∑_{k=1}^∞ (1×8^{-k})
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Question 45 of 45
45. Question
Find the sum to infinity of ∑_{k=1}^∞ (3×7^{-k})
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