Vectores y espacio tridimensional
Enviado por guadalupe9999 • 14 de Mayo de 2021 • Trabajo • 2.682 Palabras (11 Páginas) • 229 Visitas
En los problemas 1-8, encuentre:
- 3a b) a + b c) a – b d) |a + b| y e) |a – b|
1.- a= 2i + 4j b= -i + 4j
a= 2,4 b= -1,4[pic 1][pic 2][pic 3][pic 4]
- 3a= 3(2), 3(4) = 6 , 12[pic 5][pic 6][pic 7][pic 8]
- a + b= 2+ (-1), 4+4= 1, 8[pic 9][pic 10][pic 11][pic 12]
- a-b= 2-(-1) , 4-4 = 3 , 0[pic 13][pic 14][pic 15][pic 16]
- |a + b|= |1,8|= = = = 8.06[pic 17][pic 18][pic 19]
- |a –b|= |3,0|= = == 3[pic 20][pic 21][pic 22]
2.- a= 1,1 b= 2,3[pic 23][pic 24][pic 25][pic 26]
a) 3a= 3(1), 3(1)= 3,3[pic 27][pic 28][pic 29][pic 30]
b) a + b= 1+2, 1+3= 3,4[pic 31][pic 32][pic 33][pic 34]
c) a - b= 1-2, 1-3= -1,-2[pic 35][pic 36][pic 37][pic 38]
d) |a + b|= |3,4|= = = = 5[pic 39][pic 40][pic 41]
e) |a – b|= |-1,-2|= = == 2.23[pic 42][pic 43][pic 44]
3.- a= b= [pic 45][pic 46]
a) 3a= [pic 47]
b) a + b= [pic 48]
c) a – b= [pic 49]
d) |a + b|= |4, -5|= = = = 6.40 [pic 50][pic 51][pic 52]
e) |a – b|= |4, 5|= = = = 6.40[pic 53][pic 54][pic 55]
4.- a= i, - j b= [pic 56][pic 57][pic 58]
a= b= [pic 59][pic 60]
- 3a= [pic 61]
- a + b= [pic 62]
- a – b= [pic 63]
- |a + b|= | = = = = 0.9428[pic 64][pic 65][pic 66][pic 67]
- |a – b|= |= = = = 1.054[pic 68][pic 69][pic 70][pic 71]
5.- a= b= [pic 72][pic 73]
a) 3a= [pic 74]
b) a + b= [pic 75]
c) a – b= [pic 76]
d) |a + b| = |-3, 9|= = = = 9.48[pic 77][pic 78][pic 79]
e) |a – b|= |-3, -5|= = = = 5.83[pic 80][pic 81][pic 82]
6.- a= b= -5a [pic 83]
b= [pic 84]
a) 3a= [pic 85]
b) a + b= [pic 86]
c) a – b= [pic 87]
d) |a + b|= |-4, -12|= = = = 12.64[pic 88][pic 89][pic 90]
e) |a – b|= |6, 18|= = = = 198.97[pic 91][pic 92][pic 93]
7.- a= -b a= [pic 94]
b= -2i -9j b= [pic 95]
- 3a= [pic 96]
- a + b= [pic 97]
- a – b= [pic 98]
- |a + b|= |-6, -27|= = == 27.65[pic 99][pic 100][pic 101]
- |a – b|= |-2, -9|= = == 9.21[pic 102][pic 103][pic 104]
8.- a= b= [pic 105][pic 106]
a) 3a= [pic 107]
b) a + b= [pic 108]
c) a – b= [pic 109]
d) |a + b|= |8, 12|= = = = 14.42[pic 110][pic 111][pic 112]
e) |a – b|=|6, 8|= = = = 10 [pic 113][pic 114][pic 115]
En los problemas 9-14, determine:
- 4a – 2b y b) -3a -5b
9.- a= b= [pic 116][pic 117]
a) 4a – 2b= [pic 118]
= [pic 119][pic 120]
b) -3a - 5b= [pic 121]
[pic 122]
10.- a= i + j b= 3i – 2j
a= b= [pic 123][pic 124]
- 4a – 2b=[pic 125]
[pic 126]
- -3a – 5b= [pic 127]
= [pic 128]
11.- a= i – j b= -3i+4j
a= b= [pic 129][pic 130]
- 4a – 2b= [pic 131]
[pic 132]
- -3a – 5b= [pic 133]
[pic 134]
12.- a= b= [pic 135][pic 136]
a) 4a – 2b= [pic 137]
[pic 138]
...