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Find the equation of the normal at P of...

Find the equation of the normal at P of the circle S=0 where P and S are given by
(i) `P(3,-4),S=x^(2)+y^(2)+x+y-24`
(ii) `P(1,3),S=3(x^(2)+y^(2))-19x-29y+76`
(iii) `P(3,5),S=x^(2)+y^(2)-10x-2y+6`
(iv) `P(1,2),S=x^(2)+y^(2)-22x-4y+25`

Text Solution

Verified by Experts

The correct Answer is:
(i) `x+y+1=0` (ii) `11x-13y+28=0`
(iii) `2x+y-11=0` (iv) `y=2`
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