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Let A be an invertible

How to prove or disprove(a)if A has a zeronentryonthe diagonal then A is not invertible (b)if Ais not invertible then for every
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2. asked by LEON
3. 618 views
Let A and B be n x n matrices,assume AB is invertible and show that both A and B are invertible. what? AB is invertible ----->
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2. asked by Ashley
3. 1,004 views
Determine whether or not the given linear transformation is invertible. If it is invertible, compute its inverse. (If the
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2. asked by Peter
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Some functions that aren't invertible can be made invertible by restricting their domains. For example, the function x^2 is
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2. asked by Mark
3. 856 views
Some functions that aren't invertible can be made invertible by restricting their domains. For example, the function x^2 is
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2. asked by Mark
3. 1,850 views
For real symmetric matrices A and B, which of the following is true?a)AB is symmetric matrix b)AB = BA c)All eigen values of AB
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2. asked by Kaur
3. 355 views
I would like to know if my answers are correct. I also need help solving some exercises the right way.(a) Explain why [13] is
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2. asked by Jane
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Determine whether or not each of the following functions is invertible. Give your reasons for believing the function is
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2. asked by C
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Determine whether or not each of the following functions is invertible. Give your reasons for believing the function is
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2. asked by C
3. 726 views
Hello,For a math assignment I have we're supposed to find out if the function f(x) = x^2- 2x + 3 has any of these properties:
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2. asked by Dog_Lover
3. 523 views