dkornelsen10 dkornelsen10
  • 02-02-2017
  • Mathematics
contestada

Find the specified vector or scalar.

u = -4i + 1j and v = 4i + 1j; Find .u+v
A. sqrt34

B. 8
C. 5
D. 2

Respuesta :

LammettHash
LammettHash LammettHash
  • 02-02-2017
Since [tex]\mathbf u+\mathbf v=(-4+4)\,\vec i+(1+1)\,\vec j=2\,\vec j[/tex]

so the norm is

[tex]\|\mathbf u+\mathbf v\|=\sqrt{2^2}=2[/tex]
Answer Link

Otras preguntas

What widespread problem does Ishmael Beah attempt to reveal in his memoir A Long Way Gone?
How many times can 2 go into 76
what is true for urochordates
The return on investment (roi) from education is typically the highest for: aa high school graduate ba college applicant csomeone with a 2-year (associate) degr
if the mean of a positively skewed distrbution is 126, which of the values could be thr median of the distribution A. 130 B. 126 C. 122 D. 134
Why did most scientists reject Wegner's theory for nearly a half century?
Use the conditional statement to answer the question. If today is Thursday, then tomorrow is Friday. What is the inverse of the statement? A. If tomorrow is not
what did robert boyle believe about atoms
Can a diamond scratch a topaz
why are there no perfect squares between 144 and 169?