What does it mean if two matrices are said to be commutative?

Two matrices are commutative is matrix A multiplied by matrix B equals matrix B multiplied by matrix A.

JM

Related Further Mathematics A Level answers

All answers ▸

A tank contains 500L of salty water. Pure water is pumped in at a rate of 10 L/sec, and the the mixture is pumped out at a rate of 15L/ sec. If the concentration of salt is 5g/L initially, form an equation of amount of salt, s, at t seconds.


Given that x = i is a solution of 2x^3 + 3x^2 = -2x + -3, find all the possible solutions


A particle is moving in a straight line with simple harmonic motion. The period of the motion is (3pi/5)seconds and the amplitude is 0.4metres. Calculate the maximum speed of the particle.


Compute the derivative of arcsin(x).