Greatest integer function satifies
Let x and y be real numbers. Prove that the greatest integer function satifies: [x] + [-x] = 0 or -1, according as x is an integer or not.
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By differentiating each side of (1+x)^n = sumk=0 to n, (n,k)x^k and comparing the coefficients of x^(k-1) on each side show that for all natural numbers 0<k<=n, n(n-1,k-1)=k(n,k)
An investment under consideration has a payback of 11 years and a cost of $667,000. If the required return is 9 percent, the worst-case NPV is $____________ and the best-case NPV is infinite. Assume the cash flows are conventional
Determine an orthonormal basis of the column space of A.
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Use pseudocode to explain an algorithm named count that has inputs a sequence of n integers and outputs the number of distinct terms in the input sequence. For example, count(3,5,-8,5,12,3) = 4
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