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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.

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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

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The content is presented in small-focused learning units to enable you to

think,

figure-out, &

learn.

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.

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» Complex Additive inverse of `z` is `-z`

→ `z_1 + (-z_1) = 0`

*plain and simple summary*

nub

*plain and simple summary*

nub

dummy

• For any complex number `z` there exits `-z` - additive inverse.

*simple steps to build the foundation*

trek

*simple steps to build the foundation*

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Complex numbers have additive inverse - negative of the number.

Starting on learning "Additive Inverse". ;; In this page you will learn that the additive inverse of a complex number is negative of that number.

What does 'inverse' mean?

- same; identical; similar
- opposite; converse

The answer is 'opposite; converse'.

Consider two complex numbers `z_1 = a+ i b` and `z_2 = -a-ib`. What will be `z_1+z_2`?

- `0+0i`
- `0`
- additive identity
- All the above

The answer is 'All the above'. `-z` is called the additive inverse for `z` as `z+(-z) = 0`.

*comprehensive information for quick review*

Jogger

*comprehensive information for quick review*

Jogger

dummy

**Additive Inverse: **For any complex number `z = a+ib in CC`, there exists `-z = -a - i b in CC` such that

`z + (-z) = 0`

*practice questions to master the knowledge*

Exercise

*practice questions to master the knowledge*

Exercise

What is the additive inverse of `3.5+2.1i`?

- `-3.5+2.1i`
- `3.5-2.1i`
- `-3.5-2.1i`
- `0`

The answer is '`-3.5-2.1i`'

*your progress details*

Progress

*About you*

Progress

What does 'inverse' mean?

same;identical;similar

same; identical; similar

opposite;converse

opposite; converse

The answer is 'opposite; converse'.

Consider two complex numbers z1 = a+ i b and z_2 = minus a minus i b. What will be z1+z2?

0i

0+0i

0

0

additive;identity

additive identity

all;above

All the above

The answer is 'All the above'. minus z is called the additive inverse for z, as z plus minus z equals 0

For any complex number z there exits minus z - additive inverse.

Additive Inverse: For any complex number z = a+i b in complex numbers, there exists minus z = minus a minus i b in complex numbers such that z + minus z = 0

What is the additive inverse of 3 point 5 plus 2 point 1 i?

1

minus 3 point 5 plus 2 point 1i

2

3 point 5 minus 2 point 1i

3

minus 3 point 5 minus 2 point 1i

4

The answer is ' minus 3 point 5 minus 2 point 1i'