Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: Q 1 :Find the locus of the middle points of the intercepts made by the axes on the lines drawn t
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kabi (1665)

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hello

we have D ( 20,25) E ( 8,16) C( 10,15 )

slope of AC = -1/2

slope of BC = 1

Thus slope of BE = 2 and that of AD = -1

thus the eq. of AD becomes y +x = 45

eq. of BE  is y = 2x

the point of concurrency is x = 15 y=30 ie. coordinate of orthocenter .

thank u sorry if there is a calculation mistake as i m solving in hurry . 

one more thing the approach used by the student who have given the second answer is correct . 


The time u guys take to find the derivative of a function or for finding the equilibrium constant of a reaction or for finding the angle of dispersion of prism or for standing from ur seat to congratulate our team after their win almost in that time one kid die because of poverty.
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