Let i be a positive integer and A; = [1,i+1[. Then U A OR O [-1,1] O [1, [ O 11, [ None of these

Q: Prove that if alb and alc then a (bx + cy) for all integers x, y.

A:

Q: Let i be a positive integer and A, [-i+ 1,1]. Then U14, %3D O R O None of these O F1,11

A: Given that 'i ' be a positive integer and Ai=-i+1,1. We have to find the union ∪i=1∞ Ai.

Q: Let x be an integer. Prove that 2|x and 3|x if and only if 6|x. Generalize and prove.

A: According to the given information, let x be an integer. It is required to prove that:

Q: For all integers a, b, and c, if a/b and a|c, then a|(5b – 7c). -

A:

Q: Prove the following by proof by contradiction: At least one of the 5 real numbers a, b, c, d, e is…

A: We will use basic properties  of inequality to proof this result by contradiction

Q: Prove that Vn e N (the set of natural numbers), ÷+ ɛ N. 3 +

A: We have to use proper manipulation.

Q: Show that there exist no two positive integers nandr(r<n)such that "C, "C,+1 "C+2 and "C,.3 are in…

A:

Q: Let a, b, e, m, and n be integers such that aJb and a l e. Prove that a I (mb + ne).

A: Let a, b, e, m, and n be integers such that ab and ae. The objective is to prove that amb+ne. We…

Q: z = (a + bi)4n+ (b + ai) 4n; a ∈ ℝ ; b ∈ ℝ; n ∈ ℕ. Show that z is a real number.

A: Properties of complex number : If z is real number than z=z¯ . Suppose z=x+i y than z¯=x- iy .…

Q: Let $n$ be a positive integer. Among C(2n,0),C(2n,1),..., C(2n,2n), C(2n,n) is the largest. True…

A:

Q: Let H = {0, +-4, +-8, +-12,....}. How many distinct left cosets of H in Z are there? Explain your…

A:

Q: Prove that if a eZ then the only positive divisor of both a and a+1 is 1.

A:

Q: 10) let R and S be two relations from A to B, then the set = { ( a, b) e A×B:( a.b) ER} is

A:

Q: left cosets

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Q: Let i be a positive integer and A; =] -i+1,1[. Then N,A;= O 10,1] None of these O 10,1[

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Q: Let R = [1, 2] × [1, 2]. Compute ye*"dA. R

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Q: Let i be a positive integer and A; =] - i+1,1 [. Then N A= None of these O 10,1] O 10,1[ [0,1[

A: Ai = ] -i+1, 1 [  A1 = ] 0, 1 [ A2 = ] -1, 1 [ Thus ∩Ai = ]0, 1[

Q: Let a be an algebraic integer in Q(v-37) and let A = (2, 1 + v-37). Prove that either a or a –- 1 is…

A: Given that,         α is an integer in Q-37 lets consider  α=-37⇒α-1=-37-1

Q: Let i be a positive integer and A; =[-i+1,1]. Then U A;= %3D O 1-0,1[ O [-1,1] O R O 1-0,1] O None…

A:

Q: Prove that there exists two integers a and b such that a+b > ab

A: We want to prove that there exists two integers a and b such that a+b&gt;ab

Q: Let i be a positive integer and A, = [-i+1,1]. Then U, A= O [-1,1] O None of these O l-00,1[ O…

A: Given that          for i be a positive integer…

Q: 2. Let f and g be any permutations. Show that the order of h = fgf- is the same as the order of g.

A: Here f and g are tow permutations  and we are given that h=fgf-1. We have to show that both f and g…

Q: Let A be the subset of the real numbers given by A = {1 + a : a ∈ R and a > 0}. Show that inf A =…

A: A={1+a:a∈R and a&gt;0}Now,1+a&gt;1 for all a∈R and a&gt;0Thus 1 is a lower bound of A.We shall show…

Q: Prove that ala for all natural numbers a.

A: Details attached as step 2.

Q: Let i be a positive integer and A; = {...,i – 6, i – 4, i – 2, i, i + 2, i + 4, i + 6, ... }. Then…

A: Just substitute i equal to 1,2,3,... And you'll observe a pattern.

Q: Let 1 3 5 -8 5 -5 1 -1 -3 1 -2 -5 4 -9 9 -2 -2 9 7 Enter the singular values of A in decreasing…

A: Given matrix: A=15-5143-1-31-25-54-99-8-2-297 To find: The singular values of the matrix in…

Q: 3. Prove that if m is a positive integer and x is a real number, then 1 2 m 1 [mx] = [x] + \x + = |…

A: The greatest integer function is one of the most important real valued number theoretic function.…

Q: Let i be a positive integer and A; =] – i + 1,1 [. Then N, A;= O [0,1[ Ø O 10,1[ O 10,1] None of…

A: Intersection of sets which are forming ascending chain(i.e. A1 contained in A2, A2 contained in A3,…

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.