Σ an(x - c)n के रूप के फलनों की श्रेणी को कहा जाता है:

Find the sum of the first n natural numbers.

If the pth term of an Arithmetic Progression (AP) is k, then what is the sum of its pth term, (p + q)th term, and (p - q)th term?

The value of the sum 12 + 16 + 112 + 120 + 130 + ... + 1n(n+1) is equal to: