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Clearly, ‘a’ is the first term, ‘b’ is the (n+2) th term and ‘d’ is the common difference. Then, we have b = a+(n+2-1)d = a+(n+1)d. how ‘b’ is the (n+2) th term

Clearly, ‘a’ is the first term, ‘b’ is the (n+2)th term and ‘d’ is the common difference. Then, we have b = a+(n+2-1)d = a+(n+1)d. how ‘b’ is the (n+2)th term

Grade:12th pass

2 Answers

Arun
25750 Points
5 years ago
Dear Madhur
 
You have told that b is the n+2 term.
 
Please attach an image so that I will properly help you.
 
Regards
Arun
Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
as we know nth term is given by a+(n-1)d
if i just replaced this n by n+2 it will give me(n+2)th term, thatswhy b is (n+2) term

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