Consider the matrix A = 0 0 0 0 a = 4 -2 a a 8 a=-4 a € R\{-4,4} A is invertible for any a ER with a € R. Select all values for a such that A is non-invertible.

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Q: Let A = 3 ů 5. positive definite show that the matrix A is. پول و مع دول ۷۵

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Q: e a square Fits diagona diagonal ele anal the val

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Q: If %3D 1- C What me matrix of An11n5 a positive inverse integers).

A: If we know how to inverse a matrix process we can solve the above question

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