Question

Choose the correct alternative:

The area of quadrilateral formed with foci of the hyperbolas `x^2/"a"^2 - y^2/"b"^2` = 1 and `1x^2/"a"^2 - y^2/"b"^2` = – 1

विकल्प

• 4(a² + b²)

• 2(a² + b²)

• 2(a² + b²)

• `1/2 ("a"^2 + b"^2)`

Answer 1

2(a² + b²)