Find the points where the ellipse intersects the empty unit circle
Answer 1
To find the points where the ellipse intersects the empty unit circle, we start with the equations of the ellipse and the empty unit circle:
Ellipse: $\x0crac{x^2}{a^2} + \x0crac{y^2}{b^2} = 1$
Empty unit circle: $x^2 + y^2 = 1$
We solve these equations simultaneously. First, we solve the ellipse equation for $x^2$:
$x^2 = a^2(1 – \x0crac{y^2}{b^2})$
Substitute this into the unit circle equation:
$a^2(1 – \x0crac{y^2}{b^2}) + y^2 = 1$
Simplify and solve for $y^2$:
$a^2 – \x0crac{a^2y^2}{b^2} + y^2 = 1$
$\x0crac{y^2(a^2 – b^2)}{b^2} = 1 – a^2$
$y^2 = \x0crac{b^2(1 – a^2)}{a^2 – b^2}$
We then find the corresponding $x$ values using the unit circle equation:
$x^2 = 1 – y^2$
With $y^2 = \x0crac{b^2(1 – a^2)}{a^2 – b^2}$, we find:
$x^2 = 1 – \x0crac{b^2(1 – a^2)}{a^2 – b^2}$
Thus, the points of intersection are solutions to these values of $x$ and $y$.
Answer 2
To determine where the ellipse intersects the empty unit circle, we use the equations:
Ellipse: $x0crac{x^2}{a^2} + x0crac{y^2}{b^2} = 1$
Empty unit circle: $x^2 + y^2 = 1$
Solve the ellipse equation for $x^2$:
$x^2 = a^2(1 – x0crac{y^2}{b^2})$
Substitute into the circle equation:
$a^2(1 – x0crac{y^2}{b^2}) + y^2 = 1$
Solving for $y^2$:
$y^2 = x0crac{b^2(1 – a^2)}{a^2 – b^2}$
Using $y^2$ in the circle equation:
$x^2 = 1 – y^2$
Thus, the points of intersection are derived from these values.
Answer 3
To find the intersection points of the ellipse and empty unit circle, use:
Ellipse: $x0crac{x^2}{a^2} + x0crac{y^2}{b^2} = 1$
Circle: $x^2 + y^2 = 1$
Substitute and solve:
$x^2 = a^2(1 – x0crac{y^2}{b^2})$
$a^2(1 – x0crac{y^2}{b^2}) + y^2 = 1$
Find $y^2$ and $x^2$:
$y^2 = x0crac{b^2(1 – a^2)}{a^2 – b^2}$
$x^2 = 1 – y^2$
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