Single Choice

If $$A= $${1,2,3};$$ B=$${4,5}. then $$A-B=$${1,2,3} number cancellation of numbers in A and B.

A{4,5}
Correct Answer
B{1,2,3,4,5}
C$$\phi $$
D{1,2,3}

Solution

SIMILAR QUESTIONS

Sets, Relations and Functions

Let $$A=\left\{ 1,2,3,4 \right\} $$ and $$B=\left\{ 2,3,4,5,6 \right\} $$ then $$A \triangle\ B$$ is equal to

Sets, Relations and Functions

If A = {1, 2, 3} B = {4, 5}, then find A - B.

Sets, Relations and Functions

If $$A = \{3, 6, 9, 12, 15, 18, 21\}, B = \{ 4, 8, 12, 16, 20 \},$$ $$C = \{ 2, 4, 6, 8, 10, 12, 14, 16 \}, D = \{5, 10, 15, 20 \};$$ find (i) $$A -B$$ (ii) $$A- C$$ (iii) $$A- D$$ (iv) $$B- A$$ (v) $$C- A$$ (vi) $$D- A$$ (vii) $$B- C$$ (viii) $$B- D$$ (ix) $$C- B$$ (x) $$D- B$$ (xi) $$C- D$$ (xii) $$D- C$$

Sets, Relations and Functions

If $$ \mathrm{A}\{\mathrm{x}: \mathrm{x} \in \mathrm{N} \text { and } 3<\mathrm{x}<7\} $$ and $$ \mathrm{B}=\{\mathrm{x}: \mathrm{x} \in \mathrm{W} \text { and } \mathrm{x} \leq 4\}, $$ find $$ \mathrm{B}-\mathrm{A} $$

Sets, Relations and Functions

If $$ n(\xi)=32, n(A)=20, n(B)=16 $$ and $$ n\left((A \cup B)^{\prime}\right)=4, $$ find : $$ n(A-B) $$

Sets, Relations and Functions

If $$A - B = \phi$$, then relation between A and B is

Sets, Relations and Functions

$$IV X=\left\{a,b,c,d \right\}$$ and $$Y=\left\{f,b,d,g \right\}$$ find $$y-x$$

Contact Details