AP EAMCET201725 Apr 2017Evening ShiftMathematicsEllipseActual
The equation x^2 2-r + y^2 r-5 +1=0 represents an ellipse if
Options
- Ar>2
- Br>5
- C2 < r < 5
- Dr 5
Correct answer
C. 2 < r < 5
Step-by-step solution
No solution. Refer to answer key.