Q. 135.0( 4 Votes )

If then find (-A2 + 6A).

Answer :

Given :


Matrix A is of order 2 2.


To find : -A2 + 6A


Formula used :



Where cij = ai1b1j + ai2b2j + ai3b3j + ……………… + ainbnj


If A is a matrix of order a b and B is a matrix of order c d ,then matrix AB exists and is of order a d ,if and only if b = c


A2 = = =


A2 =


-A2 = =


6A = 6 × =


6A =


-A2 + 6A = + = =


-A2 + 6A =


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Triangular Matrices & operations on matrices58 mins
Determinants of Matrices of different order59 mins
Determining a determinant63 mins
Types of Matrices & Properties51 mins
Lecture on Product of Determinants58 mins
Interactive Quiz on Properties of Determinants43 mins
Test Yourself, Properties of Determinants30 mins
Interactive Quiz on Matrices & Determinants48 mins
Know About finding the Adjoint & Inverse Of Matrix46 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses