Maths
This question was asked in Ex 5.3, 2
How we got n value

In the n÷2(a l)
 

Plzz can u make understand 
Akash Akash's image
Akash Akash
March 18, 2018, 10 a.m.

Answers!

Davneet Singh's image
Davneet Singh
March 20, 2018, 2:10 p.m.

Hello Akash

We get it by last term.

I will just change the method. Check the answer after a while

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Akash Akash's image