Question

8.What is the area of ellipse whose small axis is 2 and large axis is 4​

Answer 1

Step-by-step explanation:

Latus rectum =

a

2b

2

Length of minor axis =2b

Given:

Latus rectum =

2

1

(length of minor axis)

∴

a

2b

2

=

2

1

(2b)

a

b

=

2

1

Eccentricity e=

a

c

where c=

(a

2

−b

2

)

e=

(1−

a

2

b

2

)

=

1−

2

2

1

2

e=

2

3

Answer 2

Answer:

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