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Alex787 [66]
2 years ago
14

Which type of proof uses boxes and arrows to show the logical connections between statements?

Mathematics
2 answers:
vovangra [49]2 years ago
8 0

Answer:

Flowchart proof

Step-by-step explanation:

kramer2 years ago
5 0
A flow proof is the correct answer. 
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7/g This is the correct answer to your problem
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Help quick or else trouble
sasho [114]

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Step-by-step explanation:

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let a = (a1, a2) and b = (b1, b2) and c = (c1,c2) be three non zero vectors. if a1b2 - a2b1 is not equal to 0. then show three a
Ksenya-84 [330]

Consider the contrapositive of the statement you want to prove.

The contrapositive of the logical statement

<em>p</em> ⇒ <em>q</em>

is

¬<em>q</em> ⇒ ¬<em>p</em>

In this case, the contrapositive claims that

"If there are no scalars <em>α</em> and <em>β</em> such that <em>c</em> = <em>α</em><em>a</em> + <em>β</em><em>b</em>, then <em>a₁b₂</em> - <em>a₂b₁</em> = 0."

The first equation is captured by a system of linear equations,

\begin{cases}c_1 = \alpha a_1 + \beta b_1\\ c_2 = \alpha a_2 + \beta b_2\end{cases}

or in matrix form,

\begin{pmatrix}c_1\\c_2\end{pmatrix} = \begin{pmatrix}a_1&b_1\\a_2&b_2\end{pmatrix}\begin{pmatrix}\alpha\\\beta\end{pmatrix}

If this system has no solution, then the coefficient matrix on the right side must be singular and its determinant would be

\begin{vmatrix}a_1&b_1\\a_2&b_2\end{vmatrix} = a_1b_2-a_2b_1 = 0

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3 years ago
Solve:<br> 5y + 3y +1+1 = 2y + 6y +6 +2
lozanna [386]

Answer:

0=6

There are no solutions to this answer.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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