ConceptArithmetic Progression

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#### Question

Write the first five terms of the sequence defined by `a_n = (–1)^(n-1) . 2^n`

#### Solution

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#### Similar questions VIEW ALL

Which of the following are APs? If they form an A.P. find the common difference *d* and write three more terms.

-1.2, -3.2, -5.2, -7.2 …

For the following A.P.s, write the first term and the common difference

`1/3, 5/3, 9/3, 13/3` ....

In an AP of 50 terms, the sum of first 10 terms is 210 and the sum of its last 15 terms is 2565. Find the A.P.

If the nth term of an AP is (2n + 1) then find the sum of its first three terms

Which of the following are APs? If they form an A.P. find the common difference *d* and write three more terms.

`sqrt2, sqrt8, sqrt18, sqrt32 ...`

#### Reference Material

Solution for concept: Arithmetic Progression. For the course 8th-10th CBSE