PDF chapter test TRY NOW

For the following A.P.s, write the first term and the common difference.  
 
(i) \(3, 1, − 1, − 3 … \)
 
First term \(=\)
 
Common difference \(=\)
 
(ii) \(− 5, − 1, 3, 7 …\)
 
First term \(=\)
 
Common difference \(=\)
 
(iii) \(0.6, 1.7, 2.8, 3.9 … \)
 
First term \(=\)
 
Common difference \(=\)