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Ex 3 va rooog muuult !

Ex 3 Va Rooog Muuult class=

Răspuns :

a)x₁=2
   x₂=-1
=>E=1/2 - 1/1 =>E=-1/2

b)x₁=4
   x₂=-1
=>E=4-1+1/4 - 1/1 =>E=9/4

c)x₁=1/2
   x₂=1
=>E=1/4 + 1 =>E=5/4

d)x₁=2
   x₂=1/2
=>E=1/4 + 4 = 17/4