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Q16: Answers – Paper 3 – June 2018
Q16: Answers – Paper 3 – June 2018
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The nth term of a sequence is given by an2 + bn where a and b are integers.
The 2nd term of the sequence is –2
The 4th term of the sequence is 12
a) Find the 6th term of the sequence.
Here are the first five terms of a different quadratic sequence.
b) Find an expression, in terms of n, for the nth term of this sequence.
Question
16) The nth term of a sequence is given by an2 + bn where a and b are integers.
The 2nd term of the sequence is –2
The 4th term of the sequence is 12
a) Find the 6th term of the sequence.
[4 marks]
Here are the first five terms of a different quadratic sequence.
b) Find an expression, in terms of n, for the nth term of this sequence.
[2 marks]