Question

Let $a, b, c ∈ R$, $a^{2}+b^{2}+c^{2}=1$and $A = ab + bc + ca$. Then $A$:

score 67 · Answer 1 · 2017-04-24 11:18:37

67

Views

Let $a, b, c ∈ R$, $a^{2}+b^{2}+c^{2}=1$and $A = ab + bc + ca$. Then $A$:

Published on 24 Apr 2017 - 11:18

score 98 · Answer 2 · 2017-04-24 11:40:14

98

Views

Then the number of solutions of $| x^ 2 − [ x ] | = 1$ is?

Published on 24 Apr 2017 - 11:40

score 19 · Answer 3 · 2017-04-26 03:15:35

19

Views

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5.9k

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65

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score 53 · Answer 7 · 2017-05-01 09:39:22

53

Views

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score 510 · Answer 8 · 2026-04-11 16:16:59

510

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score 43 · Answer 9 · 2026-04-11 10:32:10

43

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score 62 · Answer 10 · 2017-05-05 14:26:51

62

Views

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score 41 · Answer 11 · 2017-05-05 21:21:11

41

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score 526 · Answer 12 · 2026-03-26 12:40:53

526

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77

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score 161 · Answer 14 · 2026-04-11 09:51:19

161

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score 118 · Answer 15 · 2026-04-10 03:03:22

118

Views

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List Question

Let $a, b, c ∈ R$, $a^{2}+b^{2}+c^{2}=1$and $A = ab + bc + ca$. Then $A$:

Then the number of solutions of $| x^ 2 − [ x ] | = 1$ is?

{14, 16, 18} to {16, 16, 16} by -1 from any 2 columns and adding 2 to the 3rd column.

Three Color Triangle Challenge

A problem with numbers

solving equation for the variable x

Among all the triangles containing a square of side 1, which ones have the smaller area?

Finding Interior and Derived set of some set

proof of $\sum_{i=k}^n {i \choose k}= {{n+1}\choose {k+1}}$ with another formula

Calculating the determinant of a matrix $A=[a_{ij}]$ such that $a_{ij}=ij$ if $i \neq j$ and $a_{ij}=1+ij$ if $i=j$

Best way to solve $2$ equations in an efficient manner?

Generating Functional in Momentum Space -- QFT

Exponential Modelling; growth rate percentage to find length of cylindrical snake in regards to level number of snake game?

Modular Forms - Valance Formula Proof - Truncation height question- integrating boundary of fundamental domain

how to find out how many meters an object is.

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