Question

first term & common difference is 10,000 & 2,000 respectively . Find the First 12 terms of the A. P ​

Answer 1

Step-by-step explanation:

Here, a=10000

d=2000

n=12

then, Sn=n/2{2a+(n-1) d}

Is formulae ka use karo,

Answer aa jayega.

I hope samajh aa gaya hoga.

Answer 2

Step-by-step explanation:

answer is in the pic .

Hope it will help u.