Question

3. Find the parametric equations of the circles :
(i) 2x2 + 2y2 - 5x - 7y - 3 = 0​

Answer 1

Answer:

2x

2

+2y

2

−5x−7y−3=0

x

2

+y

2

−

2

5

x−

2

7

y=

2

3

x

2

−

2

5

x+

16

25

+y

2

−

2

7

y+

16

49

=

2

3

+

16

25

+

16

49

(x−5/4)

2

+(y−7/4)

2

=

2

3

+

16

74

=

16

98

=

8

48

x−5/4=

2

2

7

cosθ y−7/4=

2

2

7

secθ

x=

4

5

+

2

2

7

cosθ y=

4

7

+

2

2

7

sinθ