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	Các bình luận về: Trong không gian tọa độ \(Oxyz\), cho 2 đường thẳng \({d_1}:\frac{{x &#8211; 1}}{2} = \frac{{y + 2}}{1} = \frac{{z &#8211; 1}}{{ &#8211; 2}}\), \({d_2}:\frac{{x &#8211; 1}}{1} = \frac{{y &#8211; 1}}{3} = \frac{{z + 2}}{1}.\)Mặt phẳng \(\left( P \right):ax + by + cz + d = 0\) song song với \({d_1},{d_2}\) và khoảng cách từ \({d_1}\) đến \(\left( P \right)\) bằng 2 lần khoảng cách từ \({d_2}\) đến \(\left( P \right)\). Tính \(S = \frac{{a + b + c}}{d}\).	</title>
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