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Here we need to see the inverse of a matrix. Provided a square matrix, A, of size n x n if we can get the other matrix of similar size, B that,
AB = BA = In after that we call B the inverse of A and denote it by B=A-1.
Calculating the inverse of a matrix, A, is quite simple. Firstly we form a new matrix,
(A In)
And after that use the row operations from the earlier section and try to change this matrix in the form,
(In B)
If we can so B is the inverse of A. If we can't so there is no inverse of the matrix A.
An experiment designed to test the potency of a drug on 20 rats. Last animal studies have shown that a 10 mg dose of the drug is lethal 5% of the time within the first 4 hours; of
The value of K for (k+1)x^2-2(k-1)x+1 = 0 has real and equal roots.
the adjacent sides of a parallelogram are 2x2-5xy+3y2=0 and one diagonal is x+y+2=0 find the vertices and the other diagonal
Do you have to pay.
1. A stack of poles has 22 poles in the bottom row, 21 poles in the next row, and so on, with 6 poles in the top row. How many poles are there in the stack? 2. In the formula N
265 divided by 7
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Conditional Probability: Independent Events If the probability of an event is subject to a restriction on the sample space, the probability is said to be conditional. Co
sin 30
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