JEE Main Mathematics question

MathematicsFunctionJEE Main

Let and . If is the number of onto functions from to , then the value of is

Answer: 7

Solution

Total functions from a 4-element set to a 2-element set: . Functions that

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-007517