Math, asked by crystal96, 5 months ago

find the 7th term of an AP :a,3a,5a.

Answers

Answered by Anonymous

1

Difference of each term is 5a-3a=2a

So ap is a. 3a.5a.7a.9a.11a.13a.15a

Hope it helps u dear.....

Answered by zelenazhaovaqueen

0

Answer:

given:

A.P= a, 3a, 5a...

d(common difference)= 3a-a = 2a

n(nth term)=7

A(first term)=a

as we know that:

A(n)=A+(n-1)d

ATQ:

A(7)=a+(7-1)2a

A(7)=a+12a

A(7)=13a

hence, the 7th term of the given A.P is 13a.

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