Question

Find the AP whose 1st term is 100
and the sum of the first six terms is 5
times the sum of next six terms​

Answer 1

Answer:

if you want to know the answer you can put value in this formula.

Step-by-step explanation:

An=a+(n-1)Xd

there's a means the first term.

n means the no. of the term.

d means the common difference