Combinatorics Practice Sample

You have just completed an introduction to Permutations. More problems are available in the Combinatorics practice map, which guides you through the basic principles of the topic. Full access to this map is available to Brilliant2\color{#20A900} {^2} members.

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This note is the conclusion of the set Get Started With Combinatorics.

Note by Arron Kau
5 years, 5 months ago

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1 vote

  Easy Math Editor

This discussion board is a place to discuss our Daily Challenges and the math and science related to those challenges. Explanations are more than just a solution — they should explain the steps and thinking strategies that you used to obtain the solution. Comments should further the discussion of math and science.

When posting on Brilliant:

  • Use the emojis to react to an explanation, whether you're congratulating a job well done , or just really confused .
  • Ask specific questions about the challenge or the steps in somebody's explanation. Well-posed questions can add a lot to the discussion, but posting "I don't understand!" doesn't help anyone.
  • Try to contribute something new to the discussion, whether it is an extension, generalization or other idea related to the challenge.
  • Stay on topic — we're all here to learn more about math and science, not to hear about your favorite get-rich-quick scheme or current world events.

MarkdownAppears as
*italics* or _italics_ italics
**bold** or __bold__ bold

- bulleted
- list

  • bulleted
  • list

1. numbered
2. list

  1. numbered
  2. list
Note: you must add a full line of space before and after lists for them to show up correctly
paragraph 1

paragraph 2

paragraph 1

paragraph 2

[example link](https://brilliant.org)example link
> This is a quote
This is a quote
    # I indented these lines
    # 4 spaces, and now they show
    # up as a code block.

    print "hello world"
# I indented these lines
# 4 spaces, and now they show
# up as a code block.

print "hello world"
MathAppears as
Remember to wrap math in \( ... \) or \[ ... \] to ensure proper formatting.
2 \times 3 2×3 2 \times 3
2^{34} 234 2^{34}
a_{i-1} ai1 a_{i-1}
\frac{2}{3} 23 \frac{2}{3}
\sqrt{2} 2 \sqrt{2}
\sum_{i=1}^3 i=13 \sum_{i=1}^3
\sin \theta sinθ \sin \theta
\boxed{123} 123 \boxed{123}

Comments

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Math is beautiful

sadiq Choudhury - 4 years, 8 months ago

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Addictive

saibal chanda - 4 years, 9 months ago

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Love it ...

Hemant patil - 4 years, 9 months ago

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.i never encounter this kind of topic since before. But i loved math so .. im interested to learn.

Jonatess Hidalanan - 5 years, 4 months ago

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Entry level....

shiva charan - 4 years, 10 months ago

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The most importante subjetiva is...

Olmer Castrillon Aguirre - 4 years, 7 months ago

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Better than Facebook browsing!

Rock Armstrong - 4 years, 6 months ago

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Lovely

Kinta-Kunte Ngcobo - 4 years, 6 months ago

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Interestring

Kinta-Kunte Ngcobo - 5 years, 5 months ago

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Ya really intresting ...bt i m bad at permutations and combinations ...lets solve

sarvesh bukkawar - 5 years, 5 months ago

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Check out the combinatorics practice section, which helps you build up your skills one at a time.

Calvin Lin Staff - 5 years, 5 months ago

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@Calvin Lin My math skills are so varied that I find this is quite refreshing. It allows me to relearn things and learn new thing.

Jason Bravo - 4 years, 8 months ago

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@Jason Bravo Great! I'm glad that you are enjoying this section and learning new stuff :)

Calvin Lin Staff - 4 years, 8 months ago

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intresting

jo e - 5 years, 5 months ago

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