Question

DAU COROANA Exercitiul 5 va rog frumos

Answer 1

Explicație pas cu pas:

E(x)=[2(x-5)-3(x+5)+24]/(x-5)(x+5) • (x-5)(x-1)/(1-x)(x+1)

E(x)=(2x-10-3x-15+24)/(x-5)(x+5) • (x-5)(x-1)/-(x-1)(x+1)

E(x)=(-x-1)/(x+5) • 1/-(x+1)

E(x)=-(x+1)/(x+5) • 1/-(x+1)

E(x)=1/(x+5)