For an A.P a=25 and t 20 =500. Find the
common difference d.
Answers
Answered by
4
Step-by-step explanation:
tn = a + (n-1) d
500 = 25 +(20-1) d
(20-1)d = 500 - 25
19d = 475
d = 475/19
d = 25
Similar questions