MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Relation between Terms, Their Position and Common Difference

The first ter...

Question

The first term of an arithmetic sequence is equal to $200$ and the common difference is equal to $- 10$ . Find the value of the 20th term.

Open in App

Solution

Use the value of the common difference $d = - 10$ and the first term $a_{1} = 200$ in the formula for the $n t h$ term given above and then apply it to the $20 t h$ term

$a_{20} = 200 + (- 10) (20 - 1) = 10$

Suggest Corrections

thumbs-up

0

Similar questions

The first term of an arithmetic sequence is 200. The common difference is -10. Find the value of $20^{t h}$ term.

Q. The first term of an arithmetic sequence is equal to

6

and the common difference is equal to

3

. Find a formula for the

n^{t h}

term and the value of the

50^{t h}

The first term of an arithmetic sequence is 5 and the common difference is 2. Find the sum of its first 25 terms.

Q. Sum of first n terms of an arithmetic sequence is

3 n^{2} + n

. Find the first term and common difference of this sequence.

Q. First term of an arithmetic sequence is 10 and its common difference 3. Write the first three terms of the sequence. Verify whether 100 is a term of this sequence.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Relation between Terms, their Position and Common Difference

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Relation between Terms, Their Position and Common Difference

Standard X Mathematics

Join BYJU'S Learning Program

CrossIcon