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3 years ago

The answer to this problem

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

6 0

So, because there is an exponent, we do that first. 2*2=4 then we take 3 from four, and put x to the side. We then have 1. Subtract 27 from 1. You -26. Add you x back in. You then have -26x.
The answer is -26x.

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Answer:

The n th of the given sequence is $t_{n} = 26-6 n$

Step-by-step explanation:

<u>Step 1</u> :-

Given sequence is 20,14,8,2,.......this sequence in arithmetic progression but this sequence is decreasing sequence.

given first term is 20 and difference is $d = second term- first term = 14-20=-6$

now the nth term of given sequence is

by using formula $t_{n}=a+(n-1)d$

$t_{n}= 20+(n-1)(-6)$

$t_{n}= 20-6 n+6$

final answer:-

$t_{n} = 26-6 n$

<u>verification</u>:-

$t_{n} = 26-6 n$

put n=1 we get first term is 20

put n=2 we get second term is 14

put n=3 we get third term is 8

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so the n th term of sequence is

$t_{n} = 26-6 n$

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