Theory OF A.P. and some illustration OF A.P.

Sum OF n terms || Assuming number OF terms in A.P. and illustration

Properties OF A.P.

Introduction || Sequence || Series || Progression || Arithmatic Progression (A.P.) || A.P.terminologies || Consecutive terms OF A.P. || General apperence OF A.P. || Common difference OF A.P. Condition for a sequence to be A.P

Properties OF A.P

Introduction OF Sequence and Series and A.P || Formation OF A.P and General term OF A.P

Illustration Based on Sum OF A.P

A.P. || Different concept & illustration

Illustration Based upon Properties OF A.P and Some Special Sequence Based upon A.P

If 7th term of an A.P. is 9 and 9th term of the A.P. is 7, then 20th term of the A.P. is