Question

Сократите

(4x)! / (4x+4)!

Answer 1

-х+4=4х/4

(Х)-х+4=4х/4*х

-Х2+4х=4

-х+4х-4=0

D=b2-4ac=

4 в.к 4*х*-4=

(4)^2 -4*(-1)*-(4)=0

Х1

-4/-2/(-1)=

X2