Test SeriesFree PYQsExamsPricing

JEE Main Mathematics question

MathematicsFunctionJEE Main

Let and be subsets of , the set of all real numbers. The function defined by for is one-one but not onto, if (here is the set of all positive real numbers)

Answer: (C)

Solution

We want to be one-one but not onto. On the squaring map is strictly increasing, hence one-one. Its values are positive, so

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-007536