Page 189 - Math Grade 12 (Advance)

PROEUS DARA

ii~ ruis~ru'121b &Lf1l'i§:

ii. k = (4, -3.5, 7) ' t = (-1, 8, 4)

2. ~ = (-8, -6, 4) ' t = (10, -12, -2)
-? ~ ~ 7 7 1~ 3 ~ I 7
?1. u = - 3z + 2]- 5k v = -l--j+-k
2 4 10
-? 27 7 1~ ~
ill. u = ?/ ' v = 21 + 6] '1

4. ~iit~Lii!U'l[YWHiiJLfil'i5ti:Hli'tflS,cr9 i ~ sb t th~bmtiQb iii ruis~ru")21b tLfil'i5 t s g
U I I
-? ~ 7 ~ 7
ii. u = J ' v = j + k
-? )> ?. 7 7 )> 7
2. u = i + j + k ' v = j + k

?1. k = (3, 2, -1) ' t = (1, 2, 3)

ill. k = (2, -1, 0) ' t = (-1, 2, 0) '1

s. '~bt!1cimun.f1u21b tLfil'i§ mfi~ runHJLtitn59~Lfil'i§ amiit~Lii!U'l :

ii. (1, 1, 1) ' (2, 3, 4) ' (6, 5, 2) ' (7, 7, 5)

2. (2, -1, 1) , (5, 1, 4) , (0, I, 1) , (3, 3, 4) '1
":) 1::1 eJ 0
6. :1 nt~U"WLn t fil n.n n:l ru'tfls ii ~ ru ~cr21b tLfil'i5

ii. (0, 0, 0) ' (1, 2, 3) ' (-3, 0, 0)

2. (2, -3, 4) , (0, 1, 2) ' (-1, 2, 0)

?1. (1, 3, 5) ' (3, 3, 0) ' (-2, 0, 5)

ill. (l' 2, 0) ' ( -2, 1' 0) ' (0, 0, 0) '1

7. :iii k. ctx it) iibii~MS'i5f1J")21bt~fil'i5tsg
.. u L:.
1
-? 7. 7 ~ --? 7
ii. u = l ' v = J ' w = k
7 --?
2. u = (1, 1' 1) ' t = (2, l, 0) ' w = (0, 0, I)
-? --?
?1. u = (2, 0, 1) t = (0, 3, 0) w = (0, 0, I)
' '
7 --?
ill. ~ = (2, 0, 0) v = (1, 1, 1) '. w = (0, 2, 2) '1
'

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