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CBSE Class 12-science Answered

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Asked by ggroy | 26 Feb, 2019, 19:19: PM
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If space your space question space is space mirror space image space about space straight a space plane space with space dcs space straight l comma straight m space and space straight n space and space passin g space through space origin then space equation space of space plane space will space be space lx plus my plus nz equals 0 image space of space open parentheses straight alpha comma straight beta comma straight gamma close parentheses space is space given space by space open parentheses straight alpha comma straight beta comma straight gamma close parentheses space and space it apostrophe straight s space relation space is space given space by fraction numerator straight alpha minus straight alpha apostrophe over denominator straight l end fraction equals fraction numerator straight beta minus straight beta apostrophe over denominator straight m end fraction equals fraction numerator straight gamma minus straight gamma apostrophe over denominator straight n end fraction equals open parentheses fraction numerator negative 2 open parentheses lα plus mβ plus nγ close parentheses over denominator straight l squared plus straight m squared plus straight n squared end fraction close parentheses fraction numerator straight alpha minus straight alpha apostrophe over denominator straight l end fraction equals fraction numerator straight beta minus straight beta apostrophe over denominator straight m end fraction equals fraction numerator straight gamma minus straight gamma apostrophe over denominator straight n end fraction equals open parentheses fraction numerator negative 2 open parentheses lα plus mβ plus nγ close parentheses over denominator 1 end fraction close parentheses
Answered by Arun | 13 Mar, 2019, 16:45: PM

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CBSE 12-science - Maths
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Asked by jain.pradeep | 03 Dec, 2019, 18:18: PM
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CBSE 12-science - Maths
Please refer to the question below.
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Asked by ggroy | 26 Feb, 2019, 19:19: PM
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CBSE 12-science - Maths
What are the direction ratios of the line parallel to the line passing through two points A (1,2,3) and B(4,5,6)?
Asked by sunil2791 | 13 Mar, 2018, 20:22: PM
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CBSE 12-science - Maths
Find the Cartesian equation of the straight line passing through the point (1, 3, – 2) and parallel to the vector .
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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CBSE 12-science - Maths
Find the Cartesian equation of line which passes through the points (2, 0, 5) and (4, – 3, – 2).
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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CBSE 12-science - Maths
Find the Cartesian form of the line  and find its direction cosines.
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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CBSE 12-science - Maths
Find the Cartesian equation of the line which passes through the point (3, 2, – 1) and equally inclined to the axes.
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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CBSE 12-science - Maths
Find the Cartesian equation of the line which passes through the origin and parallel to the line .
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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CBSE 12-science - Maths
Find the Cartesian equation of line which passes through the origin and the point (2, 1, 5).
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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CBSE 12-science - Maths
Find the equation of the line passes through the origin and in the direction of the line which passes through the points (0, 2, – 5) and (7, 5, 2).
Asked by Topperlearning User | 04 Jun, 2014, 13:23: PM
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