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The direction ratios of normal to the plane through the points $(0, -1, 0)$ and $(0, 0, 1)$ and making an angle $\frac{\pi}{4}$ with the plane $y - z + 5 = 0$ are:
(1) $2, -1, 1$
(2) $2, \sqrt{2}, -\sqrt{2}$
(3) $\sqrt{2}, 1, 2$
(4) $2\sqrt{3}, 1, -1$
BETA
