Rozłóż wielomian na czynniki:
a)
b)
c)
d)
e)
f)
g)
h)
i)
a)x³+6x²+9x=x(x²+6x+9) = x(x+3)²
b) x³-x²-2x+2=x²(x-1)-2(x-1)=(x²-2)(x-1)
c) (∛6-x)(√6+√6x+x²)
d)x²(x-1)-4(x-1)=(x²-4)(x-1)
e)x(x-y)-2(x-y)=(x-2)(x-y)
f)a(a²-1)
g)(a-5)(a+5)
h)(x+3)²
i)x⁵(x+3)-x²(x+3)=(x⁵-x²)(x+3)
a)=
= x(x²+6x +9) =
= x(x +3)²
b) =
= x²(x -1) - 2(x -1) =
= (x-1)(x² -2) =
= (x-1)(x -√2)(x + √2)
c) =
= (∛6 -x) ( ∛6² + x∛6 -x²)
d)=
= x²(x -1) - 4(x -1) =
= (x-1)(x² -4) =
= (x-1)(x -2)(x+2)
e) =
= - x(-x +y) + 2(x +y) =
= - x(y -x) + 2( y -x) =
= (y -x)( 2 -x)
f) =
= a(a² -1) =
= a(a -1)(a +1)
g) =
(a - √5) (a + √5)
h) =
= (x +3)²
i)=
= x²(x⁴ + 3x³ - x - 3) =
= x²[x( x³ -1) + 3(x³ -1) ] =
= x²*[ (x³ -1)(x +3) ] =
= x²(x+3)( x³ -1) =
= x²( x +3) ( x -1)( x² +x +1)
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a)
b)
c)
d)
e)
f)
g)
h)
i)
a)x³+6x²+9x=x(x²+6x+9) = x(x+3)²
b) x³-x²-2x+2=x²(x-1)-2(x-1)=(x²-2)(x-1)
c) (∛6-x)(√6+√6x+x²)
d)x²(x-1)-4(x-1)=(x²-4)(x-1)
e)x(x-y)-2(x-y)=(x-2)(x-y)
f)a(a²-1)
g)(a-5)(a+5)
h)(x+3)²
i)x⁵(x+3)-x²(x+3)=(x⁵-x²)(x+3)
Rozłóż wielomian na czynniki:
a)=
= x(x²+6x +9) =
= x(x +3)²
b) =
= x²(x -1) - 2(x -1) =
= (x-1)(x² -2) =
= (x-1)(x -√2)(x + √2)
c) =
= (∛6 -x) ( ∛6² + x∛6 -x²)
d)=
= x²(x -1) - 4(x -1) =
= (x-1)(x² -4) =
= (x-1)(x -2)(x+2)
e) =
= - x(-x +y) + 2(x +y) =
= - x(y -x) + 2( y -x) =
= (y -x)( 2 -x)
f) =
= a(a² -1) =
= a(a -1)(a +1)
g) =
(a - √5) (a + √5)
h) =
= (x +3)²
i)=
= x²(x⁴ + 3x³ - x - 3) =
= x²[x( x³ -1) + 3(x³ -1) ] =
= x²*[ (x³ -1)(x +3) ] =
= x²(x+3)( x³ -1) =
= x²( x +3) ( x -1)( x² +x +1)