Question

In a AP THE SUM OF first n terms is 5n^2 /2+3n/2. Find the 17term.​

Answer 1

Answer:

see the answer................

Answer 2

Answer:

Put the values of n=1 at first so that u can derive the value of 'a'

Then substitute the value of n=2

so that you will be able to find the common difference

so according to it you will get the value of a=4 and d=9

therefore the 17th term will be 148