- #1

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2. Show that the equation AB - BA = I has no solutions in n x n matrices with real entries.

- Thread starter kumarrukhaiyar
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- #1

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2. Show that the equation AB - BA = I has no solutions in n x n matrices with real entries.

- #2

radou

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Regarding 2, try to use the matrix trace function.

- #3

matt grime

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1) Forget matrices. You want to find

(1+x)^{-1}

well, what is that as a power series?

(1+x)^{-1}

well, what is that as a power series?

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