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Find the first term and common difference of the Arithmetic Progressions whose \(n^{\text{th}}\) terms are given below.
 
(i) \(t_n = -3 + 2n\)
 
First term \(=\)
 
Common difference \(=\)
 
(ii) \(t_n = 4 - 7n\)
 
First term \(=\)
 
Common difference \(=\)