Question

for the AP 3 upon to 1 upon 2 minus 1 upon 2 minus 3 upon to write the first term a and the common difference d​

Answer 1

First term= a=3 upon

Common difference =d = Difference between 1st term and 2 nd term

= ½ minus ³/²

1-3 upon 2

= minus 2 upon 2 = minus 1

Hence, a=³/² d=minus 1