166k views
1 vote
Find the points on the ellipse 3x^2 + y^2 = 3 that are farthest away from the point (1, 0). Smaller y-value (x, y) = larger y-value. Option 1: (-1, 1) Option 2: (-1, -1) Option 3: (1, 1) Option 4: (1, -1)

User WelshGaz
by
8.0k points

1 Answer

3 votes

Final answer:

To find the points on the ellipse
3x^2 + y^2= 3 that are farthest away from the point (1, 0), we can use the formula for the distance between two points on the plane and maximize it using Lagrange multipliers. The farthest points on the ellipse are (-1, 1) and (1, -1).

Step-by-step explanation:

To find the points on the ellipse
3x^2 + y^2 = 3 that are farthest away from the point (1, 0), we can use the formula for the distance between two points on the plane. Let's call the point on the ellipse (x, y). The distance between (x, y) and (1, 0) is given by:

d = sqrt(
(x - 1)^2 + y^2)

Since we want to find the point (x, y) that maximizes the distance d, we can maximize the expression
(x - 1)^2 + y^2, subject to the constraint
3x^2 + y^2 = 3. This can be done using Lagrange multipliers. By solving the system of equations:

2(x - 1) = λ(6x)

2y = λ(2y)


3x^2 + y^2 = 3

We can find the values of x and y that correspond to the farthest points on the ellipse from (1, 0). After solving the system, we find that the points (-1, 1) and (1, -1) are the farthest points on the ellipse from (1, 0).

User Maryann
by
8.5k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories