(a) Show that if a > 0, then 1/a> 0 and 1/(1/a) = a. (b) Show that if a

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A: Given:

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A: Given that A=-1201 and B=10-12 We have to show that A+BA+B≠A2+2AB+B2

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A: We use the properties of matrices to find the values of x and y.

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A: Inverse: A matrix B is said to be the inverse of the matrix A if AB=BA=I, where I is the identity…

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Q: 2. For a positive real number b, the value V-b =

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A: Explanation of the answer is as follows

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A: Answer is in next step

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A: Finding the product of matrices.

Q: Let 4 1 - 3 -2 -9 and 1 A =| - 3 В C =| 0 3 Prove that 5 - 2 -1 1 1 – 4 | (BA)" – A" B" + AC = AC,…

A: (BA)T - ATBT + AC = AC In LHS, We know that, By the properties of Transpose, (BA)T = ATBT .…

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A: To determine and explain: Whether the expression λx.λy.x y y can be α-converted to λx.λy.x y z.

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A: A singular matrix does not have an inverse.

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A: