Find the nth term of figurative number
The nth square number , Sn, equals the sum of the first n odd natural numbers. The nth value of what figurative number equals the sum of the first n even natural numbers? To put it another way, 2+4+6+...+2n= the nth term of what figurative number?
This is my work:
n sets of 2n= n(2n)= 2n^2/2= n^2