1.

The equation ofthe normal atP(x,y:) to thecirclex2 + y2 + 2gx + 2 fy+c=0is​

Answer»

Step-by-step EXPLANATION:

(x^2+2gx)+(y^2+10fy)=c

Now, COMPLETING the squares within the PARENTHESES, we GET

(x^2+2gx+g^2)+ (y^2+10fy+(5f)^2)=c+g^2+(5f)^2

=(x+g)^2+(y+5f)^2=..........


Discussion

No Comment Found

Related InterviewSolutions