The first term of an A.P. is 5 and the common difference is 4. Complete the following activity to find the sum of first 12 terms of the A.P.

The first term of an A.P. is 5 and the common differences is 4. Complete the following activity to find the sum of first 12 terms of the A.P.

The first term of an A.P. is 5 and the common difference is 4. Complete the following activity and find the sum of first 12 terms of the A.P. Here, a=5, d=4,S_(12)=? S_(n)=(n)/(2)[.............] thereforeS_(12)=(12)/(2)[10+..........] =6xx...............=.............

If the first term of an A.P is -1 and common difference is -3, then 12thterm is

The first term of an A.P is 6 and the common difference is 5. Find the A.P and its general term.

The first term of an A.P. is 5 and its common difference is -3 . Find the 11th term of an A.P.

The first term of an A.P. is 6 and the common difference is 5. Find the A.P. and its general term.

If the first term of an A.P. is 2 and common difference is 4, then the sum of its first 40 terms is-

The sum of the first 45 terms of an A.P. is 3195. Complete the following activity to find the 23rd term.

The sum of the first p terms of an A.P. is q and the sum of the first q terms of the same A.P. is p. Find the sum of the first (p+q) terms of the A.P.