Răspunsuri

2014-05-06T11:11:32+03:00
Se poate descompune dupa formula (x-y)(x+y)=x^-y^2, adica
x^4-5^2=(x^2-5)(x^2+5)
2014-05-06T11:12:24+03:00
F=x⁴-25=(x²-5)(x²+5)= (x-√5)(x+√5)(x²+5)