Let A = {{1, 2, 3}, {4, 5}, {6, 7, 8}}. Determine which of the following is true or false: (i) 1 ∈ A (ii) {1, 2, 3} ⊂ A (iii) {6,7,8} ∈ A (iv) {{4, 5}} ⊂ A (v) ф ∈ А (vi) ф ⊂ А

Let A = {{1,2,3},{4,5},{6,7,8}} | True or False in Sets Let A = {{1,2,3},{4,5},{6,7,8}} Let \[ A=\{\{1,2,3\},\{4,5\},\{6,7,8\}\} \] Determine which of the following is true or false: (i) \(1 \in A\) (ii) \(\{1,2,3\} \subset A\) (iii) \(\{6,7,8\} \in A\) (iv) \(\{\{4,5\}\} \subset A\) (v) \(\Phi \in A\) (vi) \(\Phi \subset A\) Solution Elements of \[ […]

Let A = {{1, 2, 3}, {4, 5}, {6, 7, 8}}. Determine which of the following is true or false: (i) 1 ∈ A (ii) {1, 2, 3} ⊂ A (iii) {6,7,8} ∈ A (iv) {{4, 5}} ⊂ A (v) ф ∈ А (vi) ф ⊂ А Read More »

Let A = {a, b, {c, d), e}. Which of the following statements are false and why? (i) {c, d} ⊂ A (ii) {c, d} ∈ A (iii) {{c, d}} ⊂ A (iv) a ∈ A (v) a ⊂ A (vi) {a, b, e} ⊂ A (vii) {a, b, e} ∈ A (viii) {a, b, c} ⊂ A (ix) Φ ∈ A (x) {0} ⊂ A

Let A = {a, b, {c, d}, e} | False Statements in Sets Let A = {a, b, {c, d}, e} Let \[ A=\{a,b,\{c,d\},e\} \] Which of the following statements are false and why? (i) \(\{c,d\} \subset A\) (ii) \(\{c,d\} \in A\) (iii) \(\{\{c,d\}\} \subset A\) (iv) \(a \in A\) (v) \(a \subset A\) (vi)

Let A = {a, b, {c, d), e}. Which of the following statements are false and why? (i) {c, d} ⊂ A (ii) {c, d} ∈ A (iii) {{c, d}} ⊂ A (iv) a ∈ A (v) a ⊂ A (vi) {a, b, e} ⊂ A (vii) {a, b, e} ∈ A (viii) {a, b, c} ⊂ A (ix) Φ ∈ A (x) {0} ⊂ A Read More »

Which of the following statements are correct? Write a correct form of each of the incorrect statements. (i) a ⊂ {a, b, c} (ii) {a} ∈ {a, b, c} (iii) a ∈ {{a}, b} (iv) {a} ⊂ {{a}, b} (v) {b, c} ⊂ {a, (b, c)} (vi) {a, b} ⊂ {a, (b, c}} (vii) Φ ∈ {a, b} (viii) Φ ⊂ {a, b, c} (ix) {x: x + 3 – 3} = Φ

Which of the Following Statements Are Correct? | Sets Class 11 Maths Solution Which of the Following Statements Are Correct? Which of the following statements are correct? Write a correct form of each of the incorrect statements. (i) \(a \subset \{a,b,c\}\) (ii) \(\{a\} \in \{a,b,c\}\) (iii) \(a \in \{\{a\},b\}\) (iv) \(\{a\} \subset \{\{a\},b\}\) (v) \(\{b,c\}

Which of the following statements are correct? Write a correct form of each of the incorrect statements. (i) a ⊂ {a, b, c} (ii) {a} ∈ {a, b, c} (iii) a ∈ {{a}, b} (iv) {a} ⊂ {{a}, b} (v) {b, c} ⊂ {a, (b, c)} (vi) {a, b} ⊂ {a, (b, c}} (vii) Φ ∈ {a, b} (viii) Φ ⊂ {a, b, c} (ix) {x: x + 3 – 3} = Φ Read More »

Write which of the following statements are true? Justify your answer. (i) The set of all integers is contained in the set of all rational numbers. (ii) The set of all crows is contained in the set of all birds. (iii) The set of all rectangles is contained in the set of all squares. (iv) The set of all real numbers is contained in the set of all complex numbers. (v) The sets P = {a} and B = {{a}} are equal. (vi) The sets A = {x: x is a letter of the word “LITTLE”} and, B = {x: x is a letter of the word “TITLE” } are equal.

Write Which of the Following Statements Are True | Sets Class 11 Maths Solution Write Which of the Following Statements Are True Write which of the following statements are true? Justify your answer. (i) The set of all integers is contained in the set of all rational numbers. (ii) The set of all crows is

Write which of the following statements are true? Justify your answer. (i) The set of all integers is contained in the set of all rational numbers. (ii) The set of all crows is contained in the set of all birds. (iii) The set of all rectangles is contained in the set of all squares. (iv) The set of all real numbers is contained in the set of all complex numbers. (v) The sets P = {a} and B = {{a}} are equal. (vi) The sets A = {x: x is a letter of the word “LITTLE”} and, B = {x: x is a letter of the word “TITLE” } are equal. Read More »

Decide among the following sets, which are subsets of which: A = {x:x satisfies x^2 – 8x + 12 = 0}, B = {2, 4, 6}, C = {2, 4, 6, 8,….}, D = {6}.

Decide Which Sets Are Subsets of Which | Sets Class 11 Maths Solution Decide Which Sets Are Subsets of Which Decide among the following sets, which are subsets of which: \[ A=\{x:x \text{ satisfies } x^2-8x+12=0\} \] \[ B=\{2,4,6\} \] \[ C=\{2,4,6,8,\ldots\} \] \[ D=\{6\} \] Solution First solve \[ x^2-8x+12=0 \] \[ x^2-6x-2x+12=0 \]

Decide among the following sets, which are subsets of which: A = {x:x satisfies x^2 – 8x + 12 = 0}, B = {2, 4, 6}, C = {2, 4, 6, 8,….}, D = {6}. Read More »

State whether the following statements are true or false: (i) 1 ∈ {1, 2, 3} (ii) a ⊂ {b, c, a} (iii) (a) ∈ (a, b, c} (iv) {a, b} = {a, a, b, b, a} (v) The set {x: x + 8 = 8} is the null set.

State Whether the Following Statements Are True or False | Sets Class 11 Maths State Whether the Following Statements Are True or False State whether the following statements are true or false: (i) \(1 \in \{1,2,3\}\) (ii) \(a \subset \{b,c,a\}\) (iii) \((a) \in \{a,b,c\}\) (iv) \(\{a,b\}=\{a,a,b,b,a\}\) (v) The set \[ \{x:x+8=8\} \] is the null

State whether the following statements are true or false: (i) 1 ∈ {1, 2, 3} (ii) a ⊂ {b, c, a} (iii) (a) ∈ (a, b, c} (iv) {a, b} = {a, a, b, b, a} (v) The set {x: x + 8 = 8} is the null set. Read More »

Which of the following statements are true? Give reason to support your answer. (i) For any two sets A and B either A ⊆ B or B ⊆ A. (ii) Every subset of an infinite set is infinite. (iii) Every subset of a finite set is finite. (iv) Every set has a proper subset. (v) {a, b, a, b, a, b, …} is an infinite set. (vi) {a, b, c} and {1, 2, 3} are equivalent sets. (vii) A set can have infinitely many subsets.

Which of the Following Statements Are True? | Sets Class 11 Maths Solution Which of the Following Statements Are True? Which of the following statements are true? Give reason to support your answer. (i) For any two sets \(A\) and \(B\) either \(A \subseteq B\) or \(B \subseteq A\). (ii) Every subset of an infinite

Which of the following statements are true? Give reason to support your answer. (i) For any two sets A and B either A ⊆ B or B ⊆ A. (ii) Every subset of an infinite set is infinite. (iii) Every subset of a finite set is finite. (iv) Every set has a proper subset. (v) {a, b, a, b, a, b, …} is an infinite set. (vi) {a, b, c} and {1, 2, 3} are equivalent sets. (vii) A set can have infinitely many subsets. Read More »

Show that the set of letter needed to spell “CATARACT” and the set of letters needed to spell “TRACT” are equal.

Show That the Sets of Letters in “CATARACT” and “TRACT” are Equal Show That the Sets of Letters in “CATARACT” and “TRACT” are Equal Show that the set of letters needed to spell “CATARACT” and the set of letters needed to spell “TRACT” are equal. Solution The set of letters in the word “CATARACT” is

Show that the set of letter needed to spell “CATARACT” and the set of letters needed to spell “TRACT” are equal. Read More »

From the sets given below, select equal sets and equivalent sets. A = {0, a}, B = {1, 2, 3, 4}, C = {4, 8, 12}, D = {3, 1, 2, 4}, E = {1, 0}, F = {8, 4, 12}, G = {1,5,7,11}, H = {a, b}

Equal Sets and Equivalent Sets Equal Sets and Equivalent Sets Set Number of Elements \[ A=\{0,a\} \] 2 \[ B=\{1,2,3,4\} \] 4 \[ C=\{4,8,12\} \] 3 \[ D=\{3,1,2,4\} \] 4 \[ E=\{1,0\} \] 2 \[ F=\{8,4,12\} \] 3 \[ G=\{1,5,7,11\} \] 4 \[ H=\{a,b\} \] 2 Equal Sets Sets having exactly the same elements are

From the sets given below, select equal sets and equivalent sets. A = {0, a}, B = {1, 2, 3, 4}, C = {4, 8, 12}, D = {3, 1, 2, 4}, E = {1, 0}, F = {8, 4, 12}, G = {1,5,7,11}, H = {a, b} Read More »