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CBSE Class 11-science Answered

3rd?
question image
Asked by smanishkumar2002 | 04 Aug, 2018, 10:46: PM
answered-by-expert Expert Answer
According to the question,
A(2, 1) shifted to 3√2 unit distance parallel to x + y = 1 in the direction of increasing ordinate then point B is 
(2, 1 + 3√2)
Reflection of a point with respect to line is begin mathsize 16px style fraction numerator straight h minus straight x subscript 1 over denominator straight a end fraction equals fraction numerator straight k minus straight y subscript 1 over denominator straight b end fraction equals negative 2 open parentheses fraction numerator ax subscript 1 plus by subscript 1 plus straight c over denominator straight a squared plus straight b squared end fraction close parentheses space where space left parenthesis straight x subscript 1 comma straight y subscript 1 right parenthesis equals left parenthesis 2 comma space 1 plus 3 square root of 2 right parenthesis space and space straight a equals 1 comma space straight b equals 1 comma space straight c equals negative 1 fraction numerator begin display style straight h minus 2 end style over denominator begin display style 1 end style end fraction equals fraction numerator begin display style straight k minus open parentheses 1 plus 3 square root of 2 close parentheses end style over denominator begin display style 1 end style end fraction equals negative 2 open parentheses fraction numerator begin display style 2 plus 1 plus 3 square root of 2 minus 1 end style over denominator begin display style 1 squared plus 1 squared end style end fraction close parentheses Find space the space value space of space straight h space and space straight k space then space point space will space be space left parenthesis straight h comma space straight k right parenthesis. end style
Answered by Sneha shidid | 07 Aug, 2018, 10:53: AM

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