wyznacz pierwiastki wielomianu w(x)=(2x+3)(2x2-3x-2)
(2x+3)
2x=3 /:2
x=3/2
(2x^2-3x-2)
DELTA= (-3)^2-4*2*(-2)= 9+16=25
PIERWIASTEK Z DELTY = 5
3-5 -2
x1= ___= ___= -1/2
2*2 4
3+5 8
x2= ____= ____= 2
PIERWIASTKI: -1/2;2;3/2
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(2x+3)
2x=3 /:2
x=3/2
(2x^2-3x-2)
DELTA= (-3)^2-4*2*(-2)= 9+16=25
PIERWIASTEK Z DELTY = 5
3-5 -2
x1= ___= ___= -1/2
2*2 4
3+5 8
x2= ____= ____= 2
2*2 4
PIERWIASTKI: -1/2;2;3/2