2.1 WWpIfll~dtlU (Cartesian Product)old-book.ru.ac.th/e-book/m/MA104/ma104-2.pdf · 2001. 4....
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2.1 WWpIfll~dtlU (Cartesian Product) &l1u 2.1.2 ~lpS~¶-l a,b,c,d a@~ 7 9Zt?h 1. (a,b) = (b,a) hklL&~ a = b MA 104 2. v(a,b),(c,d) E AxB (v vwls~s y q ) 25
Transcript of 2.1 WWpIfll~dtlU (Cartesian Product)old-book.ru.ac.th/e-book/m/MA104/ma104-2.pdf · 2001. 4....
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2.1 WWpIfll~dtlU (Cartesian Product)
&l1u 2.1.2 ~lpS~¶-l a,b,c,d a@~ 7 9Zt?h
1. (a,b) = (b,a) hklL&~ a = b
MA 104 2. v(a,b),(c,d) E AxB (v vwls~s y q ) 25
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m”?ehd 2.2.1 %I? A = [a, b, c, d ]
B = [1,2,3]
0Ic%lla61bl-h ~~IGJu~;lsii~~oinA klfhl3
1. F = I (a, 11, (a, 2), (b, 11, (c. 3) i
2. G = I (a, 1). (b, 11, Cc, 1) I
3. H = ((1, a), (2, b), (3,c-U 1
4. 1 = l (a, 11, (by 2), (b, 3) J
5. J = [ (b, l), (c, 2), (d, I)]
MA 104 3 5
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11. & h ( x ) = 2x2-3x+5 Wp9-1
h(O), h(- l), h(a), h(b), h(l)
12. 6 F(x) = -$+ &WI-I
F(l), F(O), F(x - 11, F(a), F(x*)
13. 61 f (x) = 2x*- 3x w9/\1
f(l)/f( - 1), f(a + 1)/f(a), f(x + l)/f(x - 1)
ti&Jii2.3.1 R = [ (1, 3), (1, 4), (2, 3), (3, 5) ]
bBu~a7u~~w"oh$~Bw8174Tl4~a
bbi=C (1, 3) E R &JULL?‘ldk 1 R 3
(1, 4) E R b%JUblMU6% 1 R 4
(2, 3) E R &-IULL+‘lU~~iae, 2 R 3
(3, 5) E R L?iWWVlU6’-Jiaer 3 R 5
4 0 MA 104
