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CBSE Class 11-science Answered

The x-axis divides the line segment joining the points (2,-3) & (5,6) in the ratio of 
Asked by yashwantjain12 | 12 Oct, 2015, 09:29: AM
answered-by-expert Expert Answer
begin mathsize 11px style Let space space straight X space axis space divides space the space line space joining space left parenthesis 2 comma space minus 3 right parenthesis space and space left parenthesis 5 comma space 6 right parenthesis space in space the space ratio space straight r space colon space 1. straight Y space coordinate space of space the space point space on space straight X space axis space is space 0. Hence comma space using space section space formula space for space straight Y space coordinate space we space get 0 equals fraction numerator straight r cross times 6 plus 1 cross times negative 3 over denominator straight r plus 1 end fraction rightwards double arrow 6 straight r minus 3 equals 0 rightwards double arrow straight r equals 3 over 6 equals 1 half Hence comma space straight X space axis space divides space the space line space segment space joining space left parenthesis 2 comma space minus 3 right parenthesis space and space left parenthesis 5 comma space 6 right parenthesis space internally space in space the ratio space 1 colon 2 end style
Answered by satyajit samal | 12 Oct, 2015, 10:34: AM

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