Question

write the general term in the series 11, 21, 31, 41, 51.
plz answer I will mark as brainliest answer​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

The general term is 10n + 1

Given :

The arithmetic progression 11, 21, 31, 41, 51

To find :

The general term in the series

Concept :

If in an arithmetic progression

First term = a

Common difference = d

Then nth term of the AP

= a + ( n - 1 )d

Solution :

Step 1 of 3 :

Write down the given series

Here the given series is

11, 21, 31, 41, 51

This is an arithmetic series

Step 2 of 3 :

Write down first term and common difference

First term = a = 11

Second term = 21

Common Difference = d = 21 - 11 = 10

Step 3 of 3 :

Find the general term in the series

The general term in the series

= nth term of the series

= a + ( n - 1 )d

= 11 + ( n - 1 ) × 10

= 11 + 10n - 10

= 10n + 1

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