`x^2 + y^2 + 2x + 2 y + 1 = 0`
`x^2 + y^2 - 4x- 4y + 1 = 0`
`x^2 + y^2 -2x- 2y + 1 = 0`
none of the above
Only the `X`-axis
Only the `Y`-axis
Both the axes
Neither of the axes
`4`
`5`
`6`
`7`
`x^2 + y^2 + 2x + 2 y + 1 = 0`
`x^2 + y^2 - 4x- 4y + 1 = 0`
`x^2 + y^2 -2x- 2y + 1 = 0`
none of the above
3 units
5 units
`3sqrt3` units
`5sqrt2 ` units
`a = b` and `c = 0`
`f=g` and `h=0`
`a=b` and `h=0`
`f=g` and `c=0`
`x + y = 0`
`x - y = 0`
`x + y = a + b`
`x - y = a^2 - b^2`
`1/4`
`1/2`
`1`
`2`
` sqrt( a^2 + b^2)`
`( a^2 + b^2)`
` a + b`
` 2(a + b)`
Only I
Only II
Both I and II
Neither I nor II
`x+ 3y = 0`
`x + y =0`
`x =y`
`3x + y =0`
`{-2, -1)`
`(0, 1)`
`(-1,-2)`
`(2,-1)`
exterior point
interior point but not centre
boundary point
centre
`2 + sqrt(2)`
`2 - sqrt(2)`
`2sqrt(2)`
` sqrt(2)`
`sqrt(2)`
`2 sqrt(2)`
`2`
`1`
`3` units
`4` units
`5` units
`6` units
`g^2 =k`
`g^2 =f`
`f^2 =k`
`f^2 =g`
`sqrt(2)`
`2 sqrt(2)`
`2`
`1`
`2 + sqrt(2)`
`2 - sqrt(2)`
`2sqrt(2)`
` sqrt(2)`
`g^2 =k`
`g^2 =f`
`f^2 =k`
`f^2 =g`
`3` units and `4` units
`6` units and `4` units
`3` units and `8` units
`6` units and `8` units
` ( (a^2 + b^2 )/(a^2 - b^2))^2`
`2 ((a^2 + b^2)/(a - b))^2`
`4 ((a^2 + b^2)/(a - b))^2`
None of these
`g = - sqrt (c)`
`g= pm sqrt (c)`
`f = sqrt (c)`
`f= pm sqrt (c)`
`5` units
`6` units
`8` units
`10` units
`5` units
`6` units
`8` units
`10` units
`r = 1`
`1 < r < 2`
`r = 2`
`2 < r < 8`
`(3a^2)/4`
`a^2/2`
`(3 sqrt 3 a^2)/4`
`(sqrt 3 a^2)/4`
`x^2 + y^2 - 4x + 4y + 4 = 0`
`x^2 + y^2 -4x- 4y + 4 = 0`
`x^2 + y^2 + 4x- 4y- 4 = 0`
`x^2 + y^2 + 4x + 4y- 4 = 0`