JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

If is the set of the divisors of 30, for we define , , and , then is equal to

Answer: (C)

Solution

Work with the given operations on . means LCM: . , 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-007449