If (x-1/2)^2+(y+1/2)^2=(k^2(x+y+1)^2)/8 ...

If `(x-1/2)^2+(y+1/2)^2=(k^2(x+y+1)^2)/8` represents an ellipse then k takes value

If (x-1/2)^2+(y+1/2)^2=(k^2(x+y+1)^2)/8 represents an ellipse then k t...
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The equation |sqrt(x^2+(y-1)^2)-sqrt(x^2+(y+1)^2)|=K will represent a ...
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(x-(1)/(2))^(2)+(y+(1)/(2))^(2)=(k^(2)(x+y+1)^(2))/(8) represents an e...
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(x^(2))/(16-k)+(y^(2))/(k-9)=1 represents ellipse if
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The equation (x+y+1)^2+k(x^2+y^2+1)=0 represents two straight lines th...
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Equation (x^(2))/(k^(2)-3)+(y^(2))/(2k)=1 represents an ellipse with y...
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The equation |sqrt(x^(2)+(y-1)^(2))-sqrt(x^(2) +(y+1)^(2))| = k will r...
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If the equation (x^(2))/(16 -K) + (y^(2))/(5-K) = 1 represents an ell...
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If the system of equations (k+1)^(3)x+(k+2)^(3)y=(k+3)^(2),(k+1)x+(k+2...
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