Maths GCSE Number Stairs (URGENT please!)Watch
If anyone wishes to take a look at the entire coursework piece, i have it up at http://revelation.shard.free.fr/STAIRS.xls
I really need help with this, i have no idea what to do.
If anyone is interested, it's already been marked with a 6-6-5 but i've recieved it back to finish it, for a better mark. I'm on the Higher tier.
T=(((P²+P)/2)S) + (((P³-P)/6)W) + ((P³-P)/6)
T being the sum of each square inside the stairs
S being the s number, the lower left square.
P being the width of a stair (must be height and width)
W being the height and width of the grid