# CBSE Class 12-science Maths Binary Operations

Watch TopperLearning’s concept videos for CBSE Class 12 Science Mathematics Relations and Functions – Binary Operations for exam preparation. Find out what are binary operations in Maths with the interesting concept videos by our Maths expert. Through our video lessons, grasp concepts such as associative binary operations and commutative binary operations.

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## Videos

- In R - {-1}, there is a binary operation '*' defined by a*b = a+b - ab, for all a,b belongs to R - {-1}. Is R - {-1} group?
- Please answer this question
- Consider the binary operation * on the set {1, 2, 3, 4, 5} defined by a*b=HCF of a andb. Write the operation table of the operation *. Is * commutative? Justify. Also, compute: (a) (2*3)*5 (b) (2*3)*(4*5).
- Show that the binary operation * on A = R – {-1} defined as a*b = a + b + ab for all a,b belongs to A is commutative and associative on A. also find the identity element of * in A and prove that every element of A in invertible mention each and every formula and minute details
- Define binary operation * on a set X.
- A binary operation is defined by x * y = 2x – 3y. Find *(3, 2).
- A binary operation is defined by a * b = ab/2. Is the binary operation commutative?
- A binary operation defined by a * b = a
^{b}. Is the binary operation associative? - For the binary operation * defined by a * b = a + b + 1. Find the identity element for operation *.
- For the binary operation * defined by a * b = ab/1000. Find the inverse of 0.01.

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