Question

write first term, a common difference and nth term of the following 2a,3a,4a,5a,​

Answer 1

Answer:

a,2a,3a,4a

a

1

=a,a

2

=2a

d=a

2

−a

1

=2a−a

d=a

d=a

3

−a

2

=3a−2a

d=a

Here 'd' is constant.

∴ Given set of numbers form an A.P.

Further three terms are:

4a+a=5a

5a+a=6a

6a+a=7a

∴ Next three terms are: 5a,6a,7a.

Explanation:

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