conic-section

Question: If $y=mx+c$ is tangent on the ellipse $\frac{{{x}^{2}}}{9}+\frac{{{y}^{2}}}{4}=1$ , then the value of c is



1) 0
2) $3/m$
3) $\pm \sqrt{9{{m}^{2}}+4}$
4) $\pm 3\sqrt{1+{{m}^{2}}}$
Solution: Explanation: No Explanation
Ellipse

Rate this question:

Average rating: (0 votes)

Previous Question Next Question