Calculus and Above

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Suppose A,, and X are n × n matrices such that A,(A − AX),
Second opinion] Suppose A, B, and X are n × n matrices such that A,(A − AX), and X are invertible. Furthermore, suppose we know(A − AX) −1 = X −1B.(a) Demonstrate that B is invertible.(b) Using the eq… read more
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Let a and be integers. Let x = alpha be an integer solution
Let a and b be integers. Let x = alpha be an integer solution to the equation x^2 + ax +b =0. A) prove that the constant term b is a multiple of alpha B) using part (a), what are the possible integer … read more
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I need help with these. 2. For all real numbers x, x2 > 0.
Hello! I need help with these. 2. For all real numbers x, x2 > 0. (a) Write the negation of the statement above. (b) Disprove the original statement by giving a counterexample. 3. Prove: There is a… read more
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Let there be a set a, such that a={1,2,3,..., n}. We have a
Let there be a set a, such that a={1,2,3,..., n}. We have a finite sequence of subsets of a, such that S=S_1, S_2,...S_k, where S_1 is empty, and the difference of the cardinalities of any two adjacen… read more
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Discrete math homework, need answer to homework, but also
Discrete math homework, need answer to homework, but also provide hints on how you came up with it if possible.… read more
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(10) Let A = {q, r, s, t} and B = {17, 18, 19, 20}. Determine
(10) Let A = {q, r, s, t} and B = {17, 18, 19, 20}. Determine which of the following are functions. Explain why or why not. f⊆A × B,where f={(q,17),(r,18),(s,19),(t,20)} g⊆A × B,where g={(q,17),(q,20)… read more
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Algorithm Analysis •Consider searching algorithms on the following
Algorithm Analysis •Consider searching algorithms on the following array of data: [22 21 9 4 16 2 10 14 20 31 26 19 17 28 8 13] Suppose you want to implement a searching algorithm to see if the data s… read more
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Question for StevewhHi Steve, great job you did for me
Question for Stevewh Hi Steve, great job you did for me on the last questions. I have a few more. I don't have to answer all of the questions below. 1. Write out the following sets explicitly, by list… read more
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I need 10 questions answered: The book I am using is Discrete
I need 10 questions answered: The book I am using is Discrete and Combinational Mathematics by Ralph P. Grimaldi Pg. 718 3. a) How many rows are needed to construct the (function) table for a Boolean … read more
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1. (1pt) How many ways can n men and n women be seated alternating
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I need these 7 questions answered please: 1. Let A be a
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Algorithm Analysis • Consider searching algorithms on the
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Real Analysis question: Let P be a polynomial with real
Real Analysis question: Let P be a polynomial with real coefficients of degree n such that P(x) >= 0 for all x in R. Prove that for all x: P(x) + P'(x) + P''(x) + ... + P^(n)(x) >= 0 note: P^(n)… read more
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Which of the following ordered pairs is a solution to the
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1.Solve the system by the subsitution method x^2+y^2=20 x-y=-2 2.
1.Solve the system by the subsitution method x^2+y^2=20 x-y=-2 2. solve the following system by the substitution method x-y=1 x^2-xy-y^2=-1 the solution set is 3.Solve the system by the addition metho… read more
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proof by minimum counterexample:Let a,b, and p non negative
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A few True/False/Multiple Choice Questions that I want to run
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1. Please show all of your work when answering the following:
1. Please show all of your work when answering the following: I. Use Chebyshev's theorem to find what percent of the values will fall between 166 and 346 for a data set with a mean of 256 and standard… read more
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