Question

Descompuneti in factori :
a) x^4+8x^2+16=
b)9y^2-6x^3y+x^6=
c) x^+25√5x+5=
d)x^2-2√7x+7=
e)3x^2+4√3x+4=
f) 15a^2-2√15a+1=
g)y^2-6√2y+18=
h)z^2+10√3z+75=
i)5x^2-2√10x+2=
j)4x^4+4x^2y+y^2=
k)a^8-2ab+b^2=
l)x^4+x^2+1/4=



Ajutoor

Answer 1

a)x⁴+8x²+16=(x²+4)²
b)9y²-6x³y+x⁶ sau x⁶-6x³y+9y²=(x³-3y)²
c)E scris gresit...
d)x²-2√7x+7=(x-√7)²
e)3x²+4√3x+4=(√3x+2)
f)15a²-2√15a+1=(√15a-1)²
g)y²-6√2y+18=(y-3√2)²
h)z²+10√3z+75=(z+5√3)²
i)5x²-2√10x+2=(√5x-√2)²
j)4x⁴+4x²y+y²=(2x²+y)²
k)a²-2ab+b²=(a-b)²
l)x⁴+x²+1/4=(x²+1/2)²