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Published on March 14, 2014

Author: CPN-E1-5toC

Source: slideshare.net

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AV5

1) Q(x)=x4-5x2+4 2) S(x)=2x3-7x2+8x-3 Q(x)=x4+0x3-5x2+0x+4 x=+/-3,+/-1 x=+/-4,+/-2,+/-1 2 -7 8 -3 1 2 -5 3 1 0 -5 0 4 2 -5 3 0 -2 -2 4 2 -4 a=2 b=-5 c=3 1 -2 -1 2 0 x= -b+/- RAIZ(b2-4.a.c) 2 2 0 -2 2.a 1 0 -1 0 x= 5+/- RAIZ(25-4.2.3) 2.2 a=1 b=0 c=-1 x= 5+/- RAIZ(25-24) 4 x= -b+/- RAIZ(b2-4.a.c) x= 5+/- RAIZ(1) 2.a 4 x= +/- RAIZ(-4*1*-1) x1= 5+1 x1=3/2 2*1 4 x= +/- RAIZ(4) x2= 5-1 x2=1 2 4 x= +/-2 2 S(x)=(x-1).(x-3/2).(x-1) x1= 2 2 x1=1 2 x2= -2 -2 x2=-1 2 Q(x)=(x+2).(x-2).(x-1).(x+1)

3) P(x)=2x4+x3-8x2-x+6 4) E(x)=x4+x3-11x2-9x+18 x=+/-6,+/-3,+/-2,+/-1 x=+/-18,+/-9,+/-6,+/-3,+/-2,+/-1 2 1 -8 -1 6 1 1 -11 -9 18 -2 -4 6 4 -6 -3 -3 6 15 -18 2 -3 -2 3 0 1 -2 -5 6 0 -1 -2 5 -3 -2 -2 8 -6 2 -5 3 0 1 -4 3 0 a=2 b=-5 c=3 a=1 b=-4 c=3 x= -b+/- RAIZ(b2-4.a.c) x= -b+/- RAIZ(b2-4.a.c) 2.a 2.a x= 5+/- RAIZ(25-4.2.3) x= 4+/- RAIZ(16-12) 2.2 2.1 x= 5+/- RAIZ(25-24) x= 4+/- RAIZ(4) 4 2 x= 5+/- RAIZ(1) x1= 4+2 x1=3/2 4 2 x1= 5+1 x1=3/2 x2= 4-2 x2=1 4 2 x2= 5-1 x2=1 4 E(x)=(x+3).(x+2).(x-3/2).(x-1) P(x)=(x+2).(x+1).(x-3/2).(x-1)

5) A(x)= 2x4-x3-15x2+23x+15 6) E(x)= 15x3-31x2+4 E(x)= 15x3-31x2+0x+4 x=+/-15,+/-5,+/-3,+/-1 x=+/-2,+/-1 x=+/-4,+/-2,+/-1 x=+/-15/2,+/-5/2,+/-3/2,+/-1/2 15 -31 0 4 2 -1 -15 23 15 2 30 -2 -4 -3 -6 21 -18 -15 15 -1 -2 0 2 -7 6 5 0 a=15 b=-1 c=-2 -0,5 -1 4 -5 2 -8 10 0 x= -b+/- RAIZ(b2-4.a.c) 2.a a=2 b=-8 c=10 x= 1+/- RAIZ(1+120) 2.15 x= -b+/- RAIZ(b2-4.a.c) x= 1+/- RAIZ(121) 2.a 30 x= 8+/- RAIZ(64-80) x= 1+/-11 2.2 30 x= 8+/- RAIZ(-16) x1= 1+11 x1=2/5 4 30 x= 8+/- RAIZ(16)i x2= 1-11 x2=-1/3 4 30 x= 8+/-4i 4 E(x)=(x-2).(x-2/5).(x+1/3) x1= 8+4i x1=2+i 4 x2= 8-4i x2=2-i 4 A(x)=(x+3).(x+1/2).(x-(2+i)).(x-(2-i))

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