If A=[032−4] and kA=[02b3a24], then the value of k,a,b, are respectively.
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A matrix denotes a number.
Construct a 3×2 matrix A=[aij] whose elements are given by aij=2∣2i−3j∣
The matrix ⎣⎡−1210 13 4⎦⎤ is a
If A is a square matrix of order 2 and A−1=10adjA, then find ∣3A∣
Let A and B be matrices of orders 3×2 and 2×4 respectively. Write the order of matrix AB.
If a matrix has 18 elements, what are the possible orders it can have ? What, if it has 5 elements?
In a certain city there are 30 college has 15 peons, 6 clerks, 1 typist and 1section officer. Express the given information as a column matrix. Using scalar multiplication, find the total number of posts of each kind in all the colleges.
If a matrix has m rows and n columns, then its order is