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An expression for the nth term of another sequence is 11 – n2 (i) Find the third term of this sequence.
(ii) Find the fifth term of this sequence.


Sagot :

Answer:

3rd term of this sequence = 2

5th term of the sequence = -14

Step-by-step explanation:

nth term = 11 - n²

(i) Find the third term of this sequence

When n = 3

nth term = 11 - n²

3rd term = 11 - 3²

= 11 - 9

= 2

3rd term of this sequence = 2

nth term = 11 - n²

Find the fifth term of this sequence.

When n = 5

5th term = 11 - 5²

= 11 - 25

= -14

5th term of the sequence = -14