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Inequality V for Vendetta!

Let a,b,c be non-negative reals with a²+b²+c²+abc = 4. Prove that: 0 ≤ ab+bc+ca-abc ≤ 2 Use your brain and not Internet to solve this Inequality. This problem ain't created by me. So its much probable that you may find it somewhere.......... RSVP

Note by Rupanshu Shah
3 months, 1 week ago

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  Easy Math Editor

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**bold** or __bold__ bold

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  • bulleted
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1. numbered
2. list

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

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[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 \( 2 \times 3 \)
2^{34} \( 2^{34} \)
a_{i-1} \( a_{i-1} \)
\frac{2}{3} \( \frac{2}{3} \)
\sqrt{2} \( \sqrt{2} \)
\sum_{i=1}^3 \( \sum_{i=1}^3 \)
\sin \theta \( \sin \theta \)
\boxed{123} \( \boxed{123} \)

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