If the 3rd and the 6th term of an A.P are 10 and 19 respectively. Find the first term, the common difference and write down the first six term of the sequence
they are 3 terms apart, so
3d = 19-10
d = 3
a = 10-2*3 = 4
now finish it off
3d = 19-10
d = 3
a = 10-2*3 = 4
now finish it off