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CBSE Class 11-science Answered

Help me to solve.. I am not able to understand the question properly...
 
Asked by nitishkrnehu09 | 09 Dec, 2017, 01:36: PM
answered-by-expert Expert Answer
begin mathsize 16px style let space straight A left parenthesis straight x subscript 1 comma straight y subscript 1 right parenthesis comma space straight B left parenthesis straight x subscript 2 comma straight y subscript 2 right parenthesis area space of space increment 1 half open vertical bar table row 0 0 1 row cell straight x subscript 1 end cell cell straight y subscript 1 end cell 1 row cell straight x subscript 2 end cell cell straight y subscript 2 end cell 1 end table close vertical bar equals straight c straight x subscript 1 straight y subscript 2 minus straight x subscript 2 straight y subscript 1 equals 2 straight c...... left parenthesis 1 right parenthesis now space let space left parenthesis straight x comma straight y right parenthesis space be space mid space point space of space AB open table attributes columnalign right end attributes row cell straight x equals fraction numerator straight x subscript 1 plus straight x subscript 2 over denominator 2 end fraction end cell row cell straight y equals fraction numerator straight y subscript 1 plus straight y subscript 2 over denominator 2 end fraction end cell end table close curly brackets...... left parenthesis 2 right parenthesis from space left parenthesis 1 right parenthesis space and space left parenthesis 2 right parenthesis open parentheses 2 straight x minus straight x subscript 2 close parentheses straight y subscript 2 minus straight x subscript 2 open parentheses 2 straight y minus straight y subscript 2 close parentheses equals 2 straight c 2 straight x straight y subscript 2 minus straight x subscript 2 2 straight y equals 2 straight c now space straight B left parenthesis straight x subscript 2 comma straight y subscript 2 right parenthesis space lies space on space straight x minus straight y equals 0 straight x subscript 2 equals straight y subscript 2 now space straight A left parenthesis straight x subscript 1 comma straight y subscript 1 right parenthesis space lies space on space straight x plus straight y equals 0 straight x subscript 1 equals negative straight y subscript 1 straight x subscript 2 open parentheses straight x minus straight y close parentheses equals straight c open parentheses straight x minus straight y close parentheses equals straight c over straight x subscript 2 now space from space left parenthesis 2 right parenthesis bring space equations space in space straight x space straight y space and space straight x subscript 2 space only space and space sub end style
Answered by Arun | 24 Dec, 2017, 03:06: PM

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CBSE 11-science - Maths
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