PDF chapter test TRY NOW

1. Justify whether it is true to say that –1,\frac{3}{–2},–2,\frac{5}{2},... forms an AP as a_2– a_1= a_3– a_2.
The given statement is .
 
2. For the AP: –3, –7, –11, ..., can we find directly a_{30} – a_{20} without actually finding a_{30} and a_{20}? Give reasons for your answer.
The given statement is .