Home
Class 12
MATHS
Let ∗ be the binary operation on N given...

Let `∗` be the binary operation on N given by `* a * b = L.C.M. of a and b`. Find : `5*7`, `20*16`

Text Solution

Verified by Experts

The correct Answer is:
35,80
Promotional Banner

Topper's Solved these Questions

  • RELATIONS AND FUNCTIONS

    BETTER CHOICE PUBLICATION|Exercise PREVIOUS YEARS BOARD.S QUESTIONS FOR PRACTICE (MULTIPLE CHOICE QUESTIONS )|8 Videos

  • RELATIONS AND FUNCTIONS

    BETTER CHOICE PUBLICATION|Exercise PREVIOUS YEARS BOARD.S QUESTIONS FOR PRACTICE |43 Videos

  • RELATIONS AND FUNCTIONS

    BETTER CHOICE PUBLICATION|Exercise ASSIGNMENT (MOST IMPORTANT QUESTIONS FOR PRACTICE) (SECTION V) |6 Videos

  • PROBABILITY

    BETTER CHOICE PUBLICATION|Exercise Previous year Board.s questions for practice|43 Videos

  • THREE DIMENSIONAL GEOMETRY

    BETTER CHOICE PUBLICATION|Exercise PREVIOUS YEARS BOARD.S QUESTION FOR PRACTICE |60 Videos

Similar Questions

Explore conceptually related problems

Let ∗ be the binary operation on N given by * a * b = L.C.M. of a and b . Find : Which elements of N are invertible for the operation ∗ ?

Let ∗ be the binary operation on N given by * a * b = L.C.M. of a and b . Find : Find the identity of ∗ in N

Let ∗ be the binary operation on N given by * a * b = L.C.M. of a and b . Find : Is ∗ commutative?

Let ∗ be the binary operation on N given by * a * b = L.C.M. of a and b . Find : Is ∗ associative?

Let * be the binary operation on N given by a * b = L.C.M. of a and b. Find. Is * commutative?

Let ** be binary operation on N given by a ** b = LCM of a and b. Find Is ** commutative

Let '*' be a binary operation on N given by : a*b = LCM (a,b) for all a, b in N. Find 5*7.

Let ∗ be the binary operation on N defined by a*b=H.C.F. of a and b . Is ∗ associative?

Let ∗ be the binary operation on N defined by a*b=H.C.F. of a and b . Is ∗ commutative?