Evaluate the \(12^{\text{th}}\) term of an \(A.P.\) \(-11\), \(-15\), \(-19\), …
 
Answer:
 
The \(n^{\text{th}}\) term of an \(A.P.\) is given by, tn=i+iii.
 
The \(12^{\text{th}}\) term \(=\)