One more of those

Algebra Level 4

\[1330xy+3192yz\]

Find the maximal value of the expression above if \(x^2+y^2+z^2=1\), where \(x,y\) and \(z\) are real numbers.

Bonus question: Find the maximal value of \(axy+byz\) if \(x^2+y^2+z^2=1\).

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