Page 144 - Math Grade 11 (Advance)

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~~n; 1322n~A13m a+bi 2-tl c+di btiHllb'l.HH1l~fi a= c 2-tl b = d '1
lJ 1 GV ..... c::t 1 l_j
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391f.f)[f1J1 ti=iffiSfU{§nu 3x-~ = -6+3yi '1 i=iru12l X stl y '1
tUHtiHttln21tltJ:itl'E2hl{§nw::h9~'i:H1~di=irulfi t?l0l2 3x-5i = -6+3yi n22rH~n
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"' w13~28 x = -2 2w y = -- 5 '1
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ti=iffiS13S2nw13 z = 2-i5 2-tl W = -4+i
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t?l0l2 z+w = -2-4i =:::} z+w = -2+4i

z- w = 6- i6 =:::} z- w = 6 + i6

z = 2 + i5 w = - 4- i =:::} z + w = - 2 + i4 =:::} z- w = 6 + i6

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391f.f)tf1J1 t ?Jffi 213 2 2 n 1-l 13 z = 5 - i 2 tl w = 2 + 3 i
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~?1012 zw = (5-i)(2+3i) = (I0+3)+(15-2)i = 13+il3. =}zw = 13-i13
.zw = (5+i)(2-i3) = (10+3)+(-15+2)i = 13-i13

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391f.f)[f1J1 t?lffi21322nw13 z = 1- i3 2-tl w = 4- i
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t?l0l Z = 1-i3 = (l-i3)(4+i) = (4+3)+(1-12)i = 7-ill
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w 4-i 16+1 17 17
=:::} (~) = 7~~11
z- 1+i3- (l+i3)(4-i)- (4+3)+(-1+12)i- 7+il1
w - 4 + i - 17 - 17 - -1-7-

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