Show that if all A's are B's, and no B's are C's, then no A's are C's.

Q: How many ways can the letters be arranged? If each letter is distinct (that is, each letter E is…

A: Consider the letters of the word ELEEMOSYNARY Total 12 letters E occurs 3 times Y occurs 2 times…

Q: 2. Prove: A – B = ANB

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Q: 0-2 1 -2 0 0 0 duced echelon form of the augmented matrix [A b] i 1 (a) Express the general solution…

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Q: Can you find a,b,c, and d (if exists) such that AB = BA.

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Q: without replacement.

A: A bowl contains 7 chips in total . Red (R) = 3 White (W) = 4 We  are randomly drawing 2 chips…

Q: 2. Find n and a if: Inx² + In2= In ax"+1

A: Given equation is lnx2+ln2=lnaxn+1. We have to find the value of n and a. Used formula: lnmn=nlnm…

Q: Show that A × B ≠ B × A, when A and B are nonempty, unless A = B

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Q: . If n(A) = 30, n(B) = 40, and n(A ∪ B) = 45,find n(A ∩ B).

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Q: If a = (2, 0, 2), b =(4, 2,-2), and c = ax (bx c) = (a x b) x c = = (0, 2, 5), show that a x (bx c)…

A: The answer is in step2.

Q: A box contains four red balls, two blue balls, and one green ball. Suppose a ball is drawn from the…

A: Given that the box contains four red balls, two blue balls and one green ball. That is, the total…

Q: Let A. B C+ Then b.1 AnB c A Ond An B CR

A: Note:- in given problem some points are missing you don't define any relation between R and A, B.…

Q: What is the condition to be yes ?

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