Say about the pivots of a
Describe that if A is any 2x3 matrix, then there can't be a 3x2 matrix C such that CA=I. b) if A is a 2x3 matrix such that it is possible to compute a 3x2 matrix B such that AB=I, what can you say about the pivots of A?
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Assume you wish to compare the means of two populations and that sigma1^2=9, sigma2^2=25, n=90. What allocation of n=90 to the two samples will result in the maximum amount of information about (mu1-mu2)?
Assume you wish to compare the means of two populations and that sigma1^2=9, sigma2^2=25, n=90. Suppose that you allocate n1=n2 observations to each sample. How large must n1 and n2 be in order to obtain the same amount of information as the alloc
Determine the value of this perpetuity on January 1, 1995 if the annual effective interest rate was 6% from January 1, 1988 through January 1, 1996 and 4% thereafter.
Determine the maximum value and the minimum value of the function f(x) on the interval [-4, 4] for f(x) = 2x - 3x^2 - 36x.
In the manufacture of a certain kind of automobile, four types of major defects and seven types of minor defects can take place. For those conditions in which defects do take place, in how many manners can there be twice as many minor defects as t
Three friends divided some bullets equally. After all of them shot four bullets the total number of bullets remaining is equal to the bullets each had after division. Find the original number divided.
Solve the given differential equation by using an appropriate substitution: -y dx + ( x + sqrt(xy)) dy = 0. The answer is 4x = y(ln|y| - c)^2 which I'm not getting using v=x/y. Please use detailed steps.
Suppose the equation a=y-msiny where 0,m,1 is given and is in the set [0,pi]. How would you write down this in the form of fixed point problem for solution y and show it has a unique solution?
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