Question

For an A.p.., if tn24, n12, d2, then a?

Answer 1

Answer:

tn=24, n=12, d=2, a=?.

tn=a+(n-1)d.

24=a+(12-1)(2).

24=a+(11)(2).

24=a+22.

a=24-22.

a=2.

I think this is your answer.