Question
in an AP the 10th term is 54 and 5th term is 4 times the 2nd term . Find the 1st term 'a' and common difference 'd'
Answers
Steve
a+9d = 54
a+4d = 4
5d=50
d = 10
a = -36
a+4d = 4
5d=50
d = 10
a = -36