conic-section

Question: The line $y=mx+c$ is a normal to the ellipse $\frac{{{x}^{2}}}{{{a}^{2}}}+\frac{{{y}^{2}}}{{{a}^{2}}}=1$ , if $c=$

1) $-(2am+b{{m}^{2}})$

2) $\frac{({{a}^{2}}+{{b}^{2}})m}{\sqrt{{{a}^{2}}+{{b}^{2}}{{m}^{2}}}}$

3) $-\frac{({{a}^{2}}-{{b}^{2}})m}{\sqrt{{{a}^{2}}+{{b}^{2}}{{m}^{2}}}}$

4) $\frac{({{a}^{2}}-{{b}^{2}})m}{\sqrt{{{a}^{2}}+{{b}^{2}}}}$

Solution:

Explanation: No Explanation

Ellipse

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)