Page 188 - Math Grade 12 (Advance)

PROEUS DARA

~- It x tl = ltl-ltl sine

'li5. It. t/ = C~Lfi!ij1HHJLmru9JLAl~t~HlHuatrn1u9~ ~ stl t '1
u
b. ~/txt/= t~Lf1!ijlHHJ1]itilltlfltt:1rutUatrn1m~~ t Sb t '1
"tr:l'i:flS1u9~ &, t Sh it t~Qbb1hn '1 ~ru9MG1J3tS &, t Sb it ffl~rut:rlU~ctl
I I
0 C:.el 0 ' 77-7
uSSbHHE:1runtlflritt:rlli5 u·(vxw) '1
1.1

7 7 -7
&Sl3u·(vxw)= v v v '1
1 2 3
w w w
1 2 3
• 'i:fl~ v mn1LmruCiftin&t1rutUcitrn1cr9~ t, t st~ it ~
I" 7 -7 I
v = It. ct X it)/ Sb'i:fl~ w HHlhnLffltHn~ : w = u. (~X w)

? ruunri

7 7 7 7 7 7 7 7 7 7 7 7
n. jx i ~- ixj r:l. jxk lli. k X j b. ixk u. kx i '1

:nbtLAl~tsg :

n. t = (2, -3, 1) , t = c 1 , -2, 1)

~- t = (-!, 1, 2) ' t = (0, l, 0)

7 7
r:l. u = (12, -3, 0) ' v = (-2, 5, 0)
7 7
lli. u = (-10, 0, 6) ' v = (7, 0, 0)
!..? 777 7 "-~"
w. u = i + j + k ' v = 2! + J- k
? 7 7 7 7 77
u. u = j + 6k ' v = i- 2} + k '1

183