Question

Ifa=set of letters of the word delhi and b=set of letters of the words doll then find a intersection b and a union b

Answer 1

Concept

In mathematics, sets are the collection of well defined elements. Number of elements in the set is represented as the cardinal number of a set in {}. The intersection of the sets can be denoted using the sign  ∩   . we can represent the intersection of A and B as A ∩ B.

Given

1) a = set of letters of the word delhi

2) b = set of letters of the word doll

Find

Intersection of a and b

Solution

We are given that

a is a set of letters of word delhi

a = { d, e, l, h, i }

b is a set of letters of word doll

b = { d, o, l, l}

Then a intersection b = { d, l }

a union b = { d,e,l,h,i,o }

If a is set of letters of the word delhi and b is set of letters of the words doll then a intersection b is { d, l }

#SPJ3

Answer 2

Answer:

a union b: (d, e, l, h, i, o)

a intersection b: (d, l).

Step-by-step explanation:

a union b is defined as the letters that are contained in either a or b.

a intersection b is defined as the letters that are contained in both a and b.

It is given that:

a is set of letters of the word Delhi. (d, e, h, i, l)

b is set of letters of the words doll. (d, l, l, o)

Now,

a union b:

As per definition, the letters are: (d, e, l, h, i, o)

a intersection b:

The letters are (d, l).

#SPJ3