Wednesday 20 December 2017

SEQUENCES-1


The nth term of a certain sequence is 8n-7. Find the 11th term

Solution

An = 8n-7

But n=11

A11 = 8(11)-7   [since n = 11]

A11 = 88 - 7

A11 = 81

TRY THIS……………………… 




The nth term of a certain sequence is 9n2 – 13n. Find the 5th term

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