Find the 7th term of an a.p whose first term is 102 and common difference is -3

2 answers

The 7th term of an ap is 15 and the 4th term is 9 find the first term and the common difference
102 + (6 * -3) = ?

c.d. ... (15 - 9) / (7 - 4) = ?

1st ... 9 - (3 * c.d.) = ?