exam
Maths Puzzle
Numerical Ability
Which of the following does not possess two unique foci?
a. Circle
b. Hyperbola
c. Ellipse
d. None of the above
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exam Other Question
Geometry. The area of a rectangle of length x is given by 3x^2 + 5x. Find the width of the rectangle.
tan^2x-cot^2x=sec^2x-csc^2x