6-2 0 9 -1 1 find the LU decomposition of A [you may use a calculator to find L and U]. 3 7 5 1. Given A Use your result to demonstrate Theorem 3.2.6. What are the possible values of det (L)?

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Q: (b) Show that f is differentiable at (x, y) = (0,0) and determine the derivative. (c) Show that the…

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A: Since you have posted multiple questions, we will provide the solution only to the first question as…