Question

Which of the following can be the square of a natural number 'n'?
O Sum of first'n' odd natural numbers
Sum of first (n-1) natural numbers
O Sum of the squares of first n natural numbers
O Sum of first (n-1) natural numbers.

Answer 1

Answer:

n-1

Step-by-step explanation:

n-1

is all ready a formula but you con do something (n-1)

natural number