Page 195 - Math Grade 12 (Advance)

PROEUS DARA

. 8z .. z
(J.l .x- -+z= 0 ux=-
7 "" 7
mtl t = ~ tSl8t1':1tflSM~nm:nhf'l§n~ :X= t ' y = 4t sb z = 7t
fil'Btu~rmih'hf'i§ntS8 mmmms t =(I, 4, 7) m1u9J1tflti9tu'fsuSl~ L '1
w
~ 1 ~
fil'B2!ll'lflHliitsg tf:'iffimn1u9~Lmli9tu'fsu~&i L ~u~htLFn'B:

1
n:ilru1u9HlJUffirutS'titi a : x-2y+z = 0 ~-;I = (1, -2, 1)
I GV
"'" -7
a : 2x+3y-2z = 0 f:1 n = (2, 3, -2)
2 2

~ l> 7
7-7-7 ijk l> l> 7
_
u=n xn = 1 2 1 =i+4j+7k '1
2
1
2 3 -2

t:::i;J I el 0 I 0
n. ~ntu'Bmmbn::lrnnn.nntl:ilrucrn.ncr A(3, 2, 4) , B(-3, -7, -8)
GV 1
Sb C(O, 1, 3) '1

2. ~ntu~m~ih'hf'l§n sbtu~fil~~g'fsu~&i L fr:lrndlL'UM~~tlbyti (J.l sb (1.2
1
: 3x-y+2z = 0 sb
(J.! (1.2 : 6x 2y+4z+4 = 0 '1

z
2.

tl!l2JGnf1u'ti~ P(xl, yl, Zj) sb

Q(xz, Yz, Zz) ( ~u~'ti) '1

c;:p Q) Ql (}
fil'B1J ~'tii:Hl filf:'i~ tf:'itflS
2 2 2
PQ = PR + RQ (1)

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