T(n)= 0.5n^2+1n-0.5n
This ones quite easy. btw if youre good at chemistry please answer my question!
here are term and term numbers
1 2 3 4
________
1 3 6 10
what is the expression for the nth term
1 answer
1 2 3 4
________
1 3 6 10
what is the expression for the nth term
1 answer