👤

Descompuneti in factori:
a) x²-18xy+81y²
b)[tex] \frac{1}{36} [/tex]x²-xy+9y²
c)4xy +2x²+2y²
d)24xy-16x²-9y²


Răspuns :

a) (x-9y)²
b) (x/6-3y)²
c) (√2x+√2y)²
d) -(16x²-24xy+9y²)=-(4x-3y)²