NDA 2025 Mathematics question
Consider the following statements in respect of the equation : I. The equation represents the equation to parabola that opens upwards. II. The axis of the parabola is . III. The equation of the latus rectum is . How many of the statements given above are correct?
Answer: (B)
Solution
is of the form with . It opens downwards (since ), so I is incorrect. Its axis is the -axis, , so II is
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