Essay
Show that the given matrix is positive definite, and then find the LDU-factorization of the matrix.
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Q51: If A is positive definite, every entry
Q52: If the quadratic form <br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBMC1039/.jpg"
Q53: If A and B are <br> <img
Q54: If A has an LDU-factorization, then A
Q55: Evaluate <br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBMC1039/.jpg" alt="Evaluate
Q57: A symmetric matrix <br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBMC1039/.jpg" alt="A
Q58: Evaluate <br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBMC1039/.jpg" alt="Evaluate
Q59: Find <br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBMC1039/.jpg" alt="Find
Q60: Determine if <br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBMC1039/.jpg" alt="Determine if
Q61: Evaluate <br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBMC1039/.jpg" alt="Evaluate