What is the size of the symmetric difference of two finite sets A and B, that is AA BI ? o IIAI - IB|| O IAl + |B| – 2|A B| O IAl +|B| – |AN BỊ O IAl + |B|

Q: Which postulate justifies the statement AX + XC = AC?

A: Given-  To find- The postulate which justifies the statement AX+XC=AC.

Q: U = { all real numbers} A = { 10, 11, 12, 13, 14, ...} B = {-3, -2, -1, 0, 1, 2, 3} C = {-1, -2,…

A: This is a problem related to set theory. Based on the general formula we will answer the question.…

Q: b) –5x + 3 > 8 6 –5 –4 –3 –2 –1 0 i 2 3 -3 - 2 4 5 6 |

A: Given, -5x+3≥8 Aim: Graph inequality

Q: Theorem 9. The following statements regarding the set E are equivalent: (i) E is measurable. (ii)…

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Q: Prove that (ab + cd)² ≤ (a² + c²)(b² + ď²) for all a, b, c, d ɛ R.

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Q: Prove that if a,b belong R(Real Numbers) then |a|-|b| is lesser or equals to |a-b|

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Q: Prove that la + b + c| < ]a] + ]b| + |c[

A: Prove that,    a+b+c≤a+b+c

Q: Find the value of x. 2) 3), (x + 9) (4x + 2) 58 147 4) (4x + 1) (11 + 2x)"

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Q: B-A= (A U B)- A True o

A: There are multiple methods to prove or disprove the given statement B-A= (A U B)- A. But the easiest…

Q: Use DeMorgan's laws or a truth table to determine whether the two statements are equivalent. -(p/q),…

A: We have to determine whether the two statement ~p∧q, ~p∨q are equivalent or not

Q: hat tor the od Wont j:l je=3 jg =5 jJy = 7 = nk what formula dependigo

A: An equation representing a sequence (or) set is said to be recursive if current value depends on…

Q: 15. m ZU 144 60° W

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Q: Prove that if a e R, then a 0 = 0 = 0 · a. Suppose x, y, z E R. Show that xz = yz if and only if…

A: We will prove the given statements.

Q: = 6 ), c= 9) [1 2] A B = 8 3. 1

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Q: TRUE or FALSE: A\B = A when A and B are disjoint

A: Given statement ,A|B=A then A and B are disjoint

Q: Prove that A-B=An(-B) = (-B) – (-A) = −[(-A) U B]. Also, give three expressions for An B and AU B,…

A: Difference of sets: Given two sets A and B, the difference A−B is defined as the set of all elements…

Q: 1 -2 A = - 4 4 2 ve a solution. - 0 and b = 0 2 b₁ b₂ b3 Sho

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Q: Let a-2-3j.kb-41-) and c-1-31-2k. If d is such that da-9. db-7 and dc-6, then d is equal to 01-31-2…

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Q: B. Simplify the following compound statements using the laws of equivalence Statements Reason: (bAd)…

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Q: answer

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Q: the spacesC(A), C(U),N(A),N(U) are the same?

A: I will explain through an example

Q: 2. 2) 15a +24a 30

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Q: a+2b 2 Let W = :a,be R}. Show that -4 lies in W. 2a -1

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