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Thought-Process to Discover Knowledge

Welcome to nubtrek.

Books and other education websites provide "matter-of-fact" knowledge. Instead, nubtrek provides a thought-process to discover knowledge.

In each of the topic, the outline of the thought-process, for that topic, is provided for learners and educators.

Read in the blogs more about the unique learning experience at nubtrek.continue

User Guide   

Welcome to nubtrek.

The content is presented in small-focused learning units to enable you to
  think,
  figure-out, &
  learn.

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User Guide   

To make best use of nubtrek, understand what is available.

nubtrek is designed to explain mathematics and science for young readers. Every topic consists of four sections.

  nub,

  trek,

  jogger,

  exercise.

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User Guide    

nub is the simple explanation of the concept.

This captures the small-core of concept in simple-plain English. The objective is to make the learner to think about. continue

User Guide    

trek is the step by step exploration of the concept.

Trekking is bit hard, requiring one to sweat and exert. The benefits of taking the steps are awesome. In the trek, concepts are explained with exploratory questions and your thinking process is honed step by step. continue

User Guide    

jogger provides the complete mathematical definition of the concepts.

This captures the essence of learning and helps one to review at a later point. The reference is available in pdf document too. This is designed to be viewed in a smart-phone screen. continue

User Guide    

exercise provides practice problems to become fluent in the concepts.

This part does not have much content as of now. Over time, when resources are available, this section will have curated and exam-prep focused questions to test your knowledge. continue

summary of this topic

Properties of Vector Addition

Properties of Vector Addition

Voice  

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 »  additive identity of vector addition is `0`.

Vector Additive Identity

plain and simple summary

nub

plain and simple summary

nub

dummy

 •  null or zero vector - Additive Identity.

simple steps to build the foundation

trek

simple steps to build the foundation

trek

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In this page, vector additive identity is explained.


Keep tapping on the content to continue learning.
Starting on learning "Vector Additive Identity". ;; In this page, vector additive identity is explained.

What does 'identical' mean?

  • same; similar; alike
  • different; mismatch

The answer is 'same; similar; alike'

Consider the vector `vec 0 = 0i+0j+0k`. What will be the result of adding that with another vector `vec a`?

  • `-vec a`
  • `|vec a|`
  • `0i+0j+0k`
  • same as `vec a`

The answer is 'same as `vec a`'. The sum is identical to the vector being added.

The vector `vec 0 = 0i+0j+0k` is also known as .....

comprehensive information for quick review

Jogger

comprehensive information for quick review

Jogger

dummy

Additive Identity: For any vector `vec a in bbb V` there exists a `vec 0 in bbb V` such that
`vec a+vec 0=vec a`



           

practice questions to master the knowledge

Exercise

practice questions to master the knowledge

Exercise

Consider `vec p = 220i+310j-12i+15j`. What will be the sum `vec p + vec 0`?

  • `vec p`
  • `503ij`
  • `232i+325j`
  • `-208i-325j`

The answer is '`vec p`'

your progress details

Progress

About you

Progress

What does 'identical' mean?
same;similar;alike
same; similar; alike
different;mismatch
different; mismatch
The answer is 'same; similar; alike'
Consider the vector 0 = 0i+0j+0k. What will be the result of adding that with another vector a?
minus;-
minus vector a
modulus;mod
modulus of vector a
0;i;k;j
0i+0j+0k
same
same as vector a
The answer is "same as vector a". The sum is identical to the vector being added.
The vector 0 = 0i+0j+0k is also known as ...
null or zero vector - Additive Identity.
Additive Identity: For any vector a in vector space V, there exists a vector 0 in vector space V such that vector a + vector 0 = vector a.
Consider vector p = 220 i + 310 j minus 12i + 15 j. What will be the sum vector P plus vector 0?
1
2
3
4
The answer is "vector P"

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