Question

va roogggggg frumossssssEx:1și6​

Answer 1

Răspuns:

Explicație pas cu pas:

1

P(X)+X²-5X+7=3X²+2X-1

P(X)=3X²+2X-1-X²+5X-7=2X²+7X-8

6.

E(X)=[3/(X-2)-2/(X+2)-10/(X²-4)]·(X-2)²/X=(3X+6-2X+4-10)/(X²-4)·(X-2)²/X=

=X/(X-2)(X+2)·(X-2)²/X=(X-2)/(X+2)