Find the common difference of an A. P. whose first term is 5 and 11th term is - 5

Find the common difference of an A.P. whose first term is 5 and the sum of its first four terms is half the sum of the next four terms.

Find the common difference of an A.P. whose first term is 5 and the sum of its first four terms is half the sum of the next four terms.

Find the common difference of an A.P. whose first term is 5 and the sum of its first four terms is half the sum of the next four terms.

Find the common difference of an A.P.whose first term is 5 and the sum of its first four terms is half the sum of the next four terms.

Find the common difference of the AP whose first term is 1/2 and the 8th term is 17/6 . Also find its 4th term.

Find the common difference of an A.P. whose first term is 100 and the sum of whose first six terms is five times the sum of the next six terms.

Write the expression a_(n)-a_(k) for the A.P.a,a+d,a+2d,.. Hence,find the common difference of the A.P.for which 11th term is 5 and 13th term is 79

Find the first and common difference of AP whose third term is 26 and 5th term is 34.

Find the common difference of the A. P, the Sum of whose first n terms is 2n + 5n^(2) .