Reflection of the point $(\alpha, \beta, \gamma)$ in the XY plane is

Question

Reflection of the point $(\alpha, \beta, \gamma)$ in the XY plane is –

$(\alpha, \beta, 0)$

$(0, 0, \gamma)$

$(-\alpha, -\beta, \gamma)$

$(\alpha, \beta, -\gamma)$

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