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CBSE Class 12-science Answered

Please refer to the question below.
Asked by ggroy | 26 Feb, 2019, 07:19: PM
Expert Answer
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, 04:45: PM
CBSE 12-science - Maths
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