Matematica C3 – Algebra 1 - itis magistri cumacini

www.matematicamente.it - Matematica C3 – Algebra1 – 5. Scomposizioni e frazioniVero o falso? Se falso calcola il risultato corretto546 1 x 2 1 y 2 = y 2 x 2x 2 y 2=1 V F547 1 x 2 1 x =1xx 2 V F5481xy 1 x−y x y=x −y x 2 −y 2 = 2xx 2 −y 2 V F549 1 x 1 1=−yx −y x−yV F550 1x−1 − 11−x = 2x−1V F551 1 1 x = x1x1 =1 V F552 1a−b 1b−a = 11a−b553 1 x 2 x = 3 xVVFF554 x− yxy = x 2 xy −yxyVFRiduci le seguenti somme di frazioni algebriche555 x+ 2 y15 + x− y3556 5a 2 + 112 − 4 a2 −1 5a+ a2+3 41557x−2 + 1558 1 x 2+ 1 x + 1 2a2 x + 5− 3 a4 x 2a9 − 2b27 −abx2 y + 1− 3 x4 y 22x y − 1x y−1559 − 1 x + 21−6 x −3 x+3 x 2 x2 x+ 1560 5 x −x+ 1 3561 2 x+ 1 − 1 3 x9562x 3 y +563 1x 2 y 1xy 2 − 1x 2 y 2564 2 a 1a 2 −a − 1a−1565 2a−1 31−a aa−1566 x1x − xx−18 x − x−14 x 21x+ y −yx21− x+ 1x 2 y 2 x−1567 1x−2 1x−1 1x 2 −3x2568 1a−1 1b1 1aab−b−156912a1 1a−1 12a 2 −a−1R. xy−11 x 2 y 2 x 1 2x − 1 3xR. 1 a−1aa 2 −a 1a−2 − 2 a1R. 11−x 1x−1 xR. − 1x 2 −x2R.x−2R.R.ab1a−1b13a12a 2 −a−11x−2 1x2 1x 2 −41x−1 1x 2 −2x1R.R.R. x76x2a a−2R. 2x1x 2 −4xR. x−1 22x−3 −2xx 2x3 −1 R. −3 x3x2x31x−1 − 1x 3 −1R. x x1x 3 −1280