exam
Maths Puzzle
Numerical Ability
Show that x-a-b is a factor of (x^3)-(a^3)-(b^3)-3ab(a+b), preferably using synthetic division.
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exam Other Question
The length of a rectangular playing field is 5ft less than twice its width.If the perimeter of the playing field is 230ft find the length and width of the field.
My teacher came up with this problem.
You must multiply the matrices.
[ 2 0 1] x [-2 3]
[-3 4 0] x [4 -1]
x [