The points (−a,−b),(0,0),(a,b) (a2,ab) are
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Express the following equation and solve them by finding the inverse of coefficient matrix using adjoining method.4x+2y−z=3x−2y+z=−82x−y+z=−7
Given A=[2−4−37] show that 2A−1=9I−A.
If A3=0 then 1+A+A2 is equal to
If A=⎣⎡122212221⎦⎤, then prove that A2−4A−5I=0, also find A−1
A=⎣⎡2−11−12−1+1−12⎦⎤verify that A3−6A2+9A−4I=0. find A−1
Find the inverse of the matrices, if it exists.
If A be a matrix such that, inverse of 7A is the matrix [−142−7], then A equals
Let A =⎣⎡1 21 −1111−31⎦⎤ and 10 B=⎣⎡4−5120−22α 3⎦⎤. If B is the inverse of matrix A, then α is