Test SeriesFree PYQsExamsPricing

JEE Main Mathematics question

MathematicsFunctionJEE Main

Let and be bijections. Then

Answer: (C)

Solution

To undo "first , then ", we must undo first and afterwards. Check: $° °(f°

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-007595