O-LevelMathematicsAlgebra and graphs4024/12 · Oct/Nov 2018 · Q114 Marks
Here are the first five terms of a sequence. 3/4, 7/8, 11/12, 15/16, 19/20
- (a)Write down the next two terms.[1]
- (b)The kth term is 1199/1200. Find k.[1]
- (c)Find an expression, in terms of n, for the nth term.[2]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2018). The mark or mark type is shown in brackets.
- [1] 23/24, 27/28
- [1] 300
- [2] (4n-1)/(4n) oe
- B1 for 4n/(4n) or for 4n-1 oe
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