338 27. L iczby zesp:.
27.29. a)
27.30. a)
3 + 9 i. 2 — 2i |
■ b) |
1 — i |
3 + i |
-15 20i |
2 + 4® |
■ i * 1 CM 1 |
c) [0],
L | |||
4-2® |
-2 + 4® |
4 - 2® ' | |
-1 + 3® |
3 + ® |
—1 + i |
• b) |
3 — 3® |
1 — ® |
3-3® |
1 + 5® 3 + 3 i -2 + 2. 5 + 2 i 2-3 i 2 + 2: —2 + i 1 — 3® 1 — 4.
c) |
' 0 ® |
-® -1 ‘ 0 i |
• d) |
’ 3® 1 |
1 1 * 0 -® |
1 |
i 2 |
1 |
—® 2® |
" -1 |
0 |
0 " | ||||
27.31. a) |
14 + 4® 8-3® |
00 1 £ & |
• b) |
0 |
1 |
i |
0 |
® |
-1 |
c) [-1].
-1 i 0 i 1 0 0 0 0
1
27.33.
27.34.
27.35.
27.36.
27.37.
a) A ^ - + 2i. b) A / 1 A A ^ 2 — i.
a) A = 3 V A = —3. b) A =-1. c) A = 0. d) A G R.
a) z = —— 6i. b) 2 = - + -®. c) z — i M z ■= —i. d) z = i.
5 5 5
R(A) = 2.
Dla A^±(v/2 + W2) i?.(A) = 3, dla A = ±(y/2 + ®\/2) i?.(A) = 2. 1
27.38. a) A~l
10
b) yT1 = \
9 — 3® —3 + i
3 — i —1 — 3 i
5 i —2 — 3 i 3 + 2 i -2-3 i i 1
3 + 2 i 1 -i
1 0 2®
0 2® -1 . d) yl-1 =
11 0
1
—i
27.39.
18 + 2®
-28 + 36®
a) z = l, u; = 1. b) z =
' 7 19 + 7®
7 9
d) z = 2 + i, w — ---i. e) 2=1 +i, w — 1 — i.
5 5
f) 2 = 2 — i, w = 0. g) z = i, w = 1. h) 2 = i, = 1 — i, u = 1.
w =
29 + li
Z — L.
u> = 2 f) 2 =
i) 2 = 1 — i, w = 2 + i, u — —3i.