Question

t supra t^-1 = t supra t+1 Urgent helppp

Answer 1

Daca doar numitorul era la -1, atunci asta e rezolvarea:

t/t^-1=t/(t+1)
t^2=t/(t+1) |* (t+1)
t^3+t^2=t
t^3+t^2-t=0
t(t^2+t-1)=0
t=0
t^2+t−1=0  Δ=1+4=5
t2= (-1-√5)/2= -1/2 - √5/2 = 1/2(√5-1)
t3= (-1+√5)2= -1/2 + √5/2 = 1/2(-√5-1)