# CBSE Class 11-science Maths Relations

- Hello sir, Please explain this sum, Let R be the relation defined on the set N of natural numbers as, R={ (x,y),x divides y: x,y € N}. Then the values are?
- what is the exact difference between co domain and range
- Solve 6th sum nd plz tell how is any mapping done.like what is the rule for this mapping
- 5th sum plz
- Define relation.
- Let A = {2, 4, 6} and B = {6, 8, 12, 18}. Define a relation R from A to B by R= {(x, y): x divides y; x A, y B}. Express R as a set of ordered pairs.
- Determine the domain and range of the relation R defined by R = {(x + 2, x + 4): x {0, 1, 2, 3, 4}
- If R is the relation ‘is less than’ from A = {2, 4, 6, 8, 10} and B = {2, 6, 10}, write down the Cartesian product corresponding to R.
- Let A = {1, 2, 3, 4, 5, 6, 7, 8} and R = {(x, 2x) : x A}be a relation on A. Represent this relation by arrow diagram.
- Let A = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. Let R be a relation on A defined by {(a, b) : a, b A, b is exactly divisible by a}. Determine the range of R.

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