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Find the values of x,y,z if the matrix A=⎣⎡0xx2yy−yz−zz⎦⎤ satisfy the equation A′A=I.
, show that AT A−1=[cos2x−sin2xsin2xcos2x]
Statement 1: Matrix 3×3,aij=i+2ji−j
cannot be expressed as a sum of symmetric and skew-symmetric matrix.
Statement 2: Matrix 3×3,aij=i+2ji−j
is neither symmetric nor skew-symmetric
are two non-singular matrices of the same order such that Br=I,
for some positive integer r>1,thenA−1Br−1A=A−1B−1A=
The cost of 4 kg onion, 3 kg wheat and 2 kg rice is Rs 60. The cost of 2 kg onion,4 kg wheat and 6 kg rice is Rs 90. The cost of 6 kg onion 2 kg wheat and 3 kg rice is Rs 70. Find cost of each item per kg by matrix method.
Find the matrix X so that X=[−72−84−96]
Write the order of the following matrices :F=
For two unimodular complex number z1andz2
is equal to
d. none of these