Questions tagged [Algebra] (60)

4
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Where in the real world can meet a symmetric matrix?

Please give some example of the use of symmetric matrices in the real world. In addition to the multiplication tables. Thank you)
reggie_Terry asked April 7th 20 at 15:18
1
answer

Algebra mathematics: English literature?

Friends, asking for a little help. Can you please recommend a good English textbooks on algebra and mathematical analysis, which would have covered the knowledge from the very basics, because I feel the lack of fundamental knowledge in this area. At the moment, I found a few books with a good rating: 1. College Algebra, by...
Sister_Greenfelder asked April 7th 20 at 11:19
1
answer

Where to learn / remember algebra for the completion of online courses?

Hello. By education I am a humanist, although in high school algebra were given to me relatively easily. I decided to educate myself and pass some courses in Coursera and EDX. Very interested in the opportunity to implement techniques predlagaemye to the result based on the quantification (counting). As I understood, my pra...
hailey asked April 4th 20 at 13:48
3
answers

How to determine the range of values of OY and OX?

There are different graphs, but we are talking about those that are in the set of arithmetic operations and trigonometric functions. Now, suppose the user enters the formula. The chart thus may not cross the axes (for example: k/x), can cross many times OX, intersecting the OY (example: ctg(x)). Plus, the added offset using...
Mabelle asked April 4th 20 at 13:28
1
answer

After the conversion of degrees, took a -1?

Given a single term (-x^2)^5 Where did the -1 after the transformation? (-1)^5 * x^10 = -1 * x^10 = x^10
Loren_Marquardt asked April 4th 20 at 01:20
2
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Can help with homework?

It is necessary to find all pairs of primes p and q (p>q) such that (p+q+11) is divisible by p-q
delpha79 asked April 4th 20 at 00:10
2
answers

Algebra of logic — how to solve the problem?

Good afternoon. Consider the following example: (A → (B C)) Ā C (the first C, too, with a feature on the top, couldn't find that symbol) The main problem with " → ", I don't know how to break that down. I would be grateful if comments. Thank you.
eloise.Lang asked April 3rd 20 at 18:49
2
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The basis of the 4-dimensional space?

I think I can not understand . If we have a basis of 4-dimensional space have the right to say that if we have a 3-dimensional subspace we can Express any 3-dimensional vector using the basis of our 4-dimensional space ? (like if the 4-coordinate 0 , it's still a vector 3-dimensional space ?)
3
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Is there such a dependence on 2 arguments?

There is y whose value is dependent on two arguments x and z x is any number z - number is either negative or positive If z>0 then y is positive If z<0 then the sign of y is determined by the sign x.
brian.Berge asked March 31st 20 at 15:38
3
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What does mean the symbol in the formula?

Good day! Found here such here the formula: Tell me, what are these two brick walls?
Shaun47 asked March 30th 20 at 00:13