Find the determinant of a 2*2 matrix.

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

RA
Answered by Rishabh A. Maths tutor

4364 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Find the tangent to the curve y = x^3 - 2x at the point (2, 4). Give your answer in the form ax + by + c = 0, where a, b and c are integers.


What is the derivative of f(x)=sqrt(3x+2)=(3x+2)^(1/2)?


Given that dx/dt = (1+2x)*4e^(-2t) and x = 1/2 when t = 0, show that ln[2/(1+2x)] = 8[1 - e^(-2t)]


Integrate the function f(x) = ax^2 + bx + c over the interval [0,1], where a, b and c are constants.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning