The fitst term and the common difference of an A.P. are 12 and 4 respectively . If `t_(n) = 96 ` find n .

The first term and the common difference of an A.P. are 12 and 4 respectively. If t_n =96 , find n .

First term and common differnce of an A.P are 12 and 4 respectively if t_(n) = 96 find n.

The first term and common difference of an A.P. are a and d respectively. If mth and nth terms of this A.P. are 1/m and 1/n respectively, then the value of (a-d) is-

The 1st term and the common difference of an A.P. are 10,000 and 2000 respectively . Find the sum of the first 12 terms.

The first term and common difference of an A.P. are respectively 4 and 2. If the sum up to n terms is 88, find n.

The first term and common difference of an A.P. are respectively -2 and -4. If the sum upto n terms is —288, find n.

The first term, common difference and last term of an A.P. are 12,6 and 252 respectively, Find the sum of all terms of this A.P.

The 11^("th") term and the 21^("st") term of an A.P. are 16 and 29 respectively then find: a. The first term and common difference. b. The 34^("th") term. c. ‘n’ such that t_(n) = 55 .

The 11^("th") term and the 21^("st") term of an A.P. are 16 and 29 respectively then find: a. The first term and common difference. b. The 34^("th") term. c. ‘n’ such that t_(n) = 55 .

Write the common difference of an A.P. whose n t h term is a_n=3n+7 .