Question

the expression for the sum to n terms of some arithmetic sequence are given below. find the expression for the nth term of each:
a, n²-2n
b, 2n²-n
c, n²-n​

Answer 1

Answer:

2 1/2 1

Step-by-step explanation:

kis is prashn mein hame Jo equation Diya hua hai usko zero ke barabar kar dena hai aur n ke man gyat karna