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14

Beräkna

14

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Faktorisera

2 \times 7

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Frågesport

35 - 21 =

Liknande problem från webbsökning

What is the cross product of

< 2, 5, - 3 >

< 3, 5, - 2 >

https://socratic.org/questions/what-is-the-cross-product-of-2-5-3-and-3-5-2

David G. Jan 28, 2016 To find the cross product of two vectors,

[a_{1}, a_{2}, a_{3}]

[b_{1}, b_{2}, b_{3}]

What is the distance between

(5, - 21, 14)

(18, 3, - 1)

https://socratic.org/questions/what-is-the-distance-between-5-21-14-and-18-3-1

Use the distance formula ... Explanation: distance

= (18 - 5)^{2} + (3 - (- 21))^{2} + (- 1 - 14)^{2}

= 970 \approx 31.145

What is the angle between

< 7, - 2, - 4 >

< 5, - 2, 1 >

https://socratic.org/questions/what-is-the-angle-between-7-2-4-and-5-2-1

θ \approx 0.69 radians

Explanation: Compute the dot-product:

< 7, - 2, - 4 > \cdot < 5, - 2, 1 > = (7) (5) + (- 2) (- 2) + (- 4) (1)

What is the slope of the line passing through the following points:

(0, 3), (- 5, - 2)

https://socratic.org/questions/what-is-the-slope-of-the-line-passing-through-the-following-points-0-3-5-2

(+ 1)

Explanation: Given the points:

(XXX) (x_{1}, y_{1}) = (0, 3)

(XXX) (x_{2}, y_{2}) = (- 5, - 2)

What is the distance between

(- 1, 4, - 4)

(13, 15, - 2)

https://socratic.org/questions/what-is-the-distance-between-1-4-4-and-13-15-2

d = 321 \approx 17.92 to 2 dec. places

using the 3-d version of the distance formula

• (x) d = (x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2} + (z_{2} - z_{1})^{2}

28, 35, 21

https://www.tiger-algebra.com/drill/28,35,21/

area(28,35,21) Area of Triangle Knowing all Sides : Sides: 28.000, 21.000, 35.000 Area : 294.0000 Area of Triangle given by its 3 Sides We will show two ways to find the area. One way is ...

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14

Subtrahera 21 från 35 för att få 14.

Exempel

Kvadratisk ekvation

x^{2} - 4 x - 5 = 0

4 sin θ cos θ = 2 sin θ

Linjär ekvation

y = 3 x + 4

699 * 533

[2534] [2 - 1 0135]

Samtidig ekvation

{8 x + 2 y = 46 7 x + 3 y = 47

Differentiering

\frac{d}{d x} \frac{( 3 x ^{2} - 2 )}{( x - 5 )}

\int_{0}^{1} x e^{- x^{2}} d x

x \to - 3 lim \frac{x ^{2} - 9}{x ^{2} + 2 x - 3}