Question

Asked Jan 19, 2020

37 views

Can you prove that a set is a group, without having an operation?

for example can you prove this set B={(1+2A):(1+2N)} is a group?

Is the operation division in this case or is the exercise wrongly given?

1 Rating

Step 1

...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: Z Your answer is partially correct. Try again. As x gets larger, is the expression increasing or dec...

A: The given expression is

Q: For each of the graphs :(i) Find all edges that are incident on y1.(ii) Find all vertices that are a...

A: (1) Edges incident on v1:{e1, e2, e3}

Q: Prove that if A is a positive semidefinite matrix, then the singular values of A are the same as the...

A: If matrix ‘A’ is positive semi-definite matrix, then ‘A’ can be diagonalized by an orthogonal matrix...

Q: Let β be a basis for a finite-dimensional inner product space. (a) Prove that if <x, z>= 0 for...

A: Let β be a basis for a finite-dimensional inner product space.

Q: Please see picture

A: Click to see the answer

Q: Let S = {0, 1}. List all the strings of length 4 over S that contain three or more 0’s.

A: It is given that S = {0,1}.It is known that if n be the positive integer and given a finite set A, t...

Q: The Fibonacci sequence has many unusual properties. Experiment to decide which of the following prop...

A: Consider the given series known as Fibonacci sequence. Series starts with 0, 1 and then each next te...

Q: Allen runs 8 miles in 3 hours at a steady pace. How long does it take him to run 3 miles?

A: speed is calculated by the formula,

Q: It can be shown that the vectors u1 = (2,−3, 1), u2 = (1, 4,−2), u3 = (-8, 12,−4), u4 = (1, 37,−17),...

A: Click to see the answer