AP EAPCET 08-Jul-2022 Shift 1 Paper

E1 is inscribed in rectangle.
Coordinate of major axis is (±3,0).
Coordinate of minor axis is (0,±2).
The dimension of rectangle are 6 and 4 .
Cogrdinate of rectangles are (±3,±2).
E2 passes through (3,2)

9

a2

+

4

b2

=1
E2 also passes through (0,4),

16

b2

=1
⇒ b2=16⇒b=±4
Now, substitute b2=16 is eq.(i)

9

a2

+

4

16

=1⇒

9

a2

=

3

4

⇒ a2=12
∴ a=2√3,b=4