Math, asked by Gangotri260, 11 months ago

How many terms must but added in the A.P 4,9,14,19....... To obtain 837?

Answers

Answered by sammy8447

0

Answer:

wrong question bro

Step-by-step explanation:

Answered by victor02

1

Answer:

18

Step-by-step explanation:

Sn= n/2(2a+(n-1)d)

= n(2(4)+(-1)5)=837×2

= 8n+5n^2-5n=1674

=5n^2+3n-1674=0. Quadratic equation

=18

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