The sum of first q terms of an A.P 63q-3q^2 if its pth term is -60 find the value of p also find the 5th term starting from backward pth term of this A.P
The sum of first q terms of an A.P 63q-3q^2 if its pth term is -60 find the value of p also find the 5th term starting from backward pth term of this A.P