If the line ax + by + c = 0 is a tangent to the curve xy = 4, then the possible answer is
Mathematics · JEE Main · NTA Exams — Limit, Continuity and Differentiability
If the line ax + by + c = 0 is a tangent to the curve xy = 4, then the possible answer is
- a > 0, b > 0
- a > 0, b < 0
- a < 0, b > 0
- none of these
Answer
(A) a > 0, b > 0
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