Question

fatore as expressoes que forem trinomios do quadrado perfeito

a)
$x {}^{2} + 6x + 9$
b)
$a {}^{2} + 8a + 64$
c)
$b {}^{2} - b + \frac{1}{4}$
d)
$y {}^{6} - 10y {}^{3} x + 25x {}^{2}$
e)
$x {}^{2} + \frac{4x}{5} + \frac{4}{25}$
f)
$4a {}^{2} + 9b {}^{2} - 12ab$
g)
$16x {}^{2} - 8x + 4$
urgentee, pf

Answer 1

Trinômio do quadrado perfeito ( a , c , d , e )

$a) \\ x^2+6x+9=(x+3)^2 \\ \\ c) \\ b^2-b+ \frac{1}{4} =(b- \frac{1}{2} )^2 \\ \\ d) \\ y^6-10y^3x+25x^2=(y^3-5x)^2 \\ \\ e) \\ x^2+ \frac{4}{5} x+ \frac{4}{25} =(x+ \frac{2}{5} )^2$