If a matrix has m rows and n columns, then its order is
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Find X and Y , if 2[103x]+[y102]=
Find the inverse of the matrices, if it exists.
d. none of these
If n=p, then the order of the matrix 7X−5Z is:
is a diagonal matrix of order 3×3
is commutative with every square matrix or order 3×3
under multiplication and tr(A)=12,
then the value of ∣A∣1/2
Find X and Y, if(i) X+Y= and X−Y=(ii) 2X+3Y= and 3X+2Y=[2−1−25]
Find the inverse of the following of the matrices , if it exists.
Find the inverse of the matrices, if it exists.[21−6−2]