Q171 / 270 · NDA 2013 (Phase 1) · Mathematics
Which one of the following points lies inside a circle of radius 6 and centre at $(3,5)$ ?
- A$(-2,-1)$
- Correct answerB$(0,1)$
- C$(-1,-2)$
- D$(2,-1)$
Solution
$S \equiv(x-3)^2+(y-5)^2-36$
for inside circle $\mathrm{S} \lt 0$ for $(0,1)$.
Hence, the correct answer is option: 'B'.