hello.

i have been given a task to investigate a series of 3d shapes. i have attached a table below show the amount of border squares and darkers squares.

i have also attached within the document what the first 3D shape looks like. but really i am after the nth term i have been told to use forumla :a n^3 + b n ^2 + cn + d

please can someone help. i am sturggling so much.

i need 3 sets of equations. for total number of border squares, darker squares and total squares.

thanks