Question

The equation of the normal to the circle $x^2+y^2=9$ at the point $\left(\frac{3}{\sqrt{2}},\frac{3}{\sqrt{2}}\right)$ is -

• A. $x-y=\frac{\sqrt{2}}{3}$
• B. $x+y=0$
• C. $x-y=0$
• D. none of these

Answer 1

Answer: (C)

Correct answer is (c) $x-y=0$