what is the determinant of a 2x2 matrix
the determinant is calculated using the formula ad - bc where a,b,c and d are the following positions in the matrix [a b c d]
AT
Related Maths GCSE answers
All answers ▸How do I find the length of a side of a triangle using the cosine rule?
Solve (x/4)-(2x/x+2) = 1. Give your solutions to 2 decimal places. You must show your working.
Write 3a - a x 4a + 2a in its simplest form.
Solve the simultaneous equations: x^2-y=16 and 2y-4=14x