Question

The sum of 6 terms from AP is 345 .the difference of the first and last term is 55 .find the six terms of the ap

Answer 1

Answer:

substitute in first to find the first term of the AP

Step-by-step explanation:

let the difference be x,6th term =a+(6-1)d=a-5d

A/q

(a+5d)-a=55

=5d=55

=d=11

and

56=(6/2)[2a+(6-1)*11]=345

=2a+55=115

=2a=60

=a=30