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1 estion 1 6 points Let A 2 i i 2 i 7 4i 28...

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Algebra

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1 estion 1 6 points Let A 2 i i 2 i 7 4i 28 i 10 12i a Show that A is positive definite by using principal submatrices of A b Find the Cholesky factorization or Cholesky decomposition of A c Solve the system Ax b 2 9 3 3 12 b

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