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I have seen a previous solution which is not very clear for me. So can someone send me a clearer answer to the attached question 53?

supraja venkatraman , 7 Years ago
Grade 11
anser 1 Answers
Arun
Dear student
 
Equation tangent to H at P is xx1-yy1=1
l=(x1+x2+1/x1)/3 and m=y1/3=sqrt(x1^2-1)/3
 
now dy/dx(H) at P =dy/dx(S) at P
=>x1/y1 =(x2-x1)/y1
Therefore, l=x1+1/3x1
so, dl/dx1=1- 1/(3x1^2) , 
dm/dx1=1/3
and dm/dx1 =(1/3)*x1/(sqrt(x1^2-3)
Last Activity: 7 Years ago
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