Page 177 - Math Grade 11 (Advance)

PROEUS DARA

0 • 0
rutmnl!U 3
u
6 3 3 2
z + 2z· + 1 = (z + 1)

3 2 3 "
t~QlS (z + 1) = 0 , z = -I 'i5 z ctl'UW~'UtS -1 '1
"'- "' u
" " .,. J 2 2
tn -1 = -l+Oi tE:lru a= -1 Sb b = 0 t~QlS r = (-1) +0 =
a I
cos cp = - = - - = -1 8 b sincp = ~ = 0 t'Ul m s g cp = 1t
r 1 r •
t~QlS -1 = cosn:+isinn:
.::::» 'I) 0 '
ywg 3 ts -1 nruHm:JH15
3 "1 ( 1t + 2kn: . . 1t + 2kn:)
w k = ;v 1 cos + z sm tE:l ru k = o , 1, 2 '1
3 3

"" k = 1 tSl8 w = cosn:+isinn: = -1
t'U 1
l J3. '1
rft k 2 tcr>o 5n: . · 5n: = -21
bU = b>OIO Wz = C0S +1Slll
3 3 2
~ 1Jt S g Y fd t S fd{§fm '?\ Zo = ~ + 1 , Z 1 = -1 8 b ttl Z2 = ~ -1 i '1
i

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