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Length of subtangent = length of subnormal Implies that dy/dx=1 How??

Length of subtangent  = length of subnormal
Implies that dy/dx=1 
How??

Grade:11

2 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
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Arun
25750 Points
5 years ago
Dear student
 
Length fo subtangent = y dx/dy
length of subnormal = y dy/dx
Now according to the question
y dx/dy = y dy / dx 
(dy/dx)2 = 1
dy/dx = 1 
hence proved

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