Question

th
The n'h term of the sequence 2, 6, 12, 20, 30, ........ can be expressed as
b) n(n-1) c) n(n + 1) d) 2n(n-1)
a) 2n​

Answer 1

Step-by-step explanation:

answer is n(n+1). here is the answer, please like if you like the way of explaining