Fill in the blanks in the following table, given that a is the first term, d the common difference and `a_(n)` `n^(th)` term of the AP :

Fill in the blanks in the following table , given that a is the first term, d the common difference and a_(n) the nth term of the A.P: (i) a=7, d=3, n=8, a_(n)=? (ii) a= - 18, n=10, a_(n)=0, d=? 0= -18+(10-1) d rArr 10d-d=18 9d=18 rArr d=(18)/(9)=2 d=2 (iii) a=? , d= -3, n=18, a_(n)= - 5 (iv) a= -18.9, d=2.5, n=?, a_(n)=3.6

Fill in the blanks in the following , given that a is the first term, d the common difference and a_n the nth term of the A.P.

The first n^(th) term of a AP is given by

The 17th term of an AP exceeds its 10th term by 7. Find the common difference.

Which of the following are APs ? IF they form an AP, find the common difference d and write three more terms. a, 2a, 3a, 4a,…..

In ( m+1) th, ( n + 1) th, ( r + 1) th terms of an A.P. are in G.P. and m,n,r are in H.P., then ratio of the first term of the A.P. to its common difference interms of n is :

In an AP, the seventh term is 4 and the common difference is -4. Which is the first term?

Which of the following are APs ? IF they form an AP, find the common difference d and write three more terms. a, a^(2), a^(3), a^(4),…