Question

The angle between the curves x2÷25+y2÷9=1 and x2÷8-y2÷8=1 is

Answer 1

Answer:

Correct option is

B

tan

−1

(

68

1

)

slope of first curve at (−3,4)

m

1

=dy/dx=

y

−x

=

4

3

slope of second curve at (−3,4)

m

2

=

2y+3

−2x+2

=

11

8

angle between them =tan

−1

1+m

1

+m

2

m

1

−m

2

=tan

−1

17/11

1/44

=tan

−1

68

1