Вычислите определители, предварительно упростив их:
[tex]a) \ \left[\begin{array}{ccc}x^{2}+a^{2}&ax&1\\y^{2}+a^{2}&ay&1\\z^{2}+a^{2}&az&1\end{array}\right] \ \ \ \ b) \ \left[\begin{array}{ccccc}7&8&5&5&3\\10&11&6&7&5\\5&3&6&2&5\\6&7&5&4&2\\7&10&7&5&0\end{array}\right][/tex]
[tex]a) \ \left[\begin{array}{ccc}x^{2}+a^{2}&ax&1\\y^{2}+a^{2}&ay&1\\z^{2}+a^{2}&az&1\end{array}\right] \ \ \ \ b) \ \left[\begin{array}{ccccc}7&8&5&5&3\\10&11&6&7&5\\5&3&6&2&5\\6&7&5&4&2\\7&10&7&5&0\end{array}\right][/tex]
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