Find the determinant of a 2*2 matrix.

[1 -2; -5 -4] determinant = {1 * (-4)} - {-5 * (-2)} = -4 - 10 = -14

RA

Related Maths A Level answers

All answers ▸

What is the equation of the tangent to the curve y=x^3+3x^2+2 when x=2


Show that 2sin(x) =(4cos(x)-1)/tan(x) can be written as: 6cos^2(x)-cos(x)-2=0


What is the second derivative used for?


What is a good method to go about sketching a polynomial?