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Mathematics, 09.09.2019 13:10 SmokeyRN

Given that x = 1, y = -2, z = 3, find the value of:
 {x}^{2} + {y}^{2} + z^{2} - 2xyz
and
 \frac{ {5}^{x} + 3^{z} }{y} |
answer with methods, .

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Given that x = 1, y = -2, z = 3, find the value of:
[tex] {x}^{2} + {y}^{2} + z^{2} - 2xyz[/te...
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