Question: 4. Give an example to show that (A+B)(A-B) = A-B2 is not a valid identity for matrices.

4. Give an example to show that (A+B)(A-B) = A-B2 is not

 

4. Give an example to show that (A+B)(A-B) = A-B2 is not a valid identity for matrices.

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The expression A BA B is a result of the difference of squares formula in algebra which states that ... View full answer

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