conic-section

Question: The ellipse $\frac{{{x}^{2}}}{{{a}^{2}}}+\frac{{{y}^{2}}}{{{b}^{2}}}=1$ and the straight line $y=mx+c$ intersect in real points only if

1) ${{a}^{2}}{{m}^{2}}<{{c}^{2}}-{{b}^{2}}$

2) ${{a}^{2}}{{m}^{2}}>{{c}^{2}}-{{b}^{2}}$

3) ${{a}^{2}}{{m}^{2}}\ge {{c}^{2}}-{{b}^{2}}$

4) $c\ge b$

Solution:

Explanation: No Explanation

Ellipse

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)