JEE Advanced Mathematics question
One or more may match with the same. Column I: (i) If and then is invertible in the domain (ii) If for all then belongs to (iii) Let . Then is monotonic increasing in (iv) The vertex of the parabola is Column II: (a) (b) (c) (d)
Answer: (1)
Solution
**(i)** . This is one-one (hence invertible onto its range) when , i.e. → **(c)**. On , runs over and is not
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