13.07.2015 Views

soluţii şi barem

soluţii şi barem

soluţii şi barem

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Astfel G( x+ 6) − G( x) = G( x+ 6) − G( x+ 3) + G( x+ 3) − G( x) = 0, ( ∀)x∈¡ . Daca F ∈ ∫ ( )2xF( x+ 6) −F( x)G( x) = F( x) − + c',( ∀)x∈¡ , deci= x+ 3, ∀x∈¡ .2Pentru x = 0 obtinemFrezulta ca exista ( 0,6)( 6) − F( 0)6−0= 3a ∈ astfel încât ( ) 36f x dx atuncisi aplicând teorema lui Lagrange functiei F pe intervalul [ 0,6 ]f a = .

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