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Matematica C3 – Algebra 1 - itis magistri cumacini

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www.matematicamente.it - <strong>Matematica</strong> <strong>C3</strong> – <strong>Algebra</strong>1 – 5. Scomposizioni e frazioniCalcola il m.c.m e il M.C.D dei seguenti gruppi di polinomi450 a3; 5a15; a 2 6a9 R. M.C.D.=a3; m.c.m.=5a3 2451 a 2 −b 2 ; ab−b 2 ; a 2 b−2a b 2 b 3 R. M.C.D.=a−b; m.c.m.=b aba−b 2452 x 2 −5 x4; x 2 −3 x2; x 2 −4 x3 R. x−1; x−1 x−2 x−3 x−4453 x 2 2 x−2; x 2 −4 x4; x 2 −4 R. 1; x−2 2 x2 x 2 2x−2454 a 3 b 2 −2a 2 b 3 ; a 3 b−4a 2 b 2 4ab 3 ; a 3 b 2 −4ab 4 R. a−2b; a 2 b 2 a−2b 2 a2b455 x 3 2 x 2 −3 x ; x 3 −x ; x 2 −2x1 R. x−1 ; x x−1 2 x1 x3456 a−b ; ab−a 2 ; a 2 −b 2 R. a−b; b−2ab2ab 2 −4a4a 2 457 b2a ; b−2a ; b 2 −4a 2 ; b 2 −4a4a 2 R. M.C.D.=1 ;m.c.m.=aa−3a3458 a 2 −9; 3a−a 2 ; 3aa 2 R. M.C.D.=1 ;m.c.m.=aa−3a3459 a1; a 2 −1 ; a 3 1 R. a1 ; a1a−1a 2 −a1460 x 2 2xy y 2 ; x 2 − y 2 ; x y 2 x− y R. x y; x y 2 x− y461 b 3 b 2 −4b−4 ; b 2 −a ; b 2 −1 R. 1 ;b−1b1b−2b2b 2 −a462 a−2; a 2 −9 ; a 2 a−6 R. 1; a−2a−3a3463 3x y3x 2 xy ; 9x 2 −1 ; 9x 2 6xy y 2 R. 1 ; x13x−13x13x y 2464 2 x 3 −12 x 2 y 24 xy 2 −16 y 3 ; 6x 2 −12 xy ; 4 x 3 −16 x 2 y16 x y 2 R. 2x−2y ;12x x−2y 3465 x 3 −9 x+ x 2 ; 4−( x−1) 2 ; x 2 + 4 x+ 3466 x−1 ; x 2 −2 x+ 1; x 2 −1467 x−2 ; x−1 ; x 2 −3 x+ 2468 a 2 −1; b+ 1 ; a+ ab−b−1469 x ; 2 x 2 −3 x ; 4 x 2 −9470 x−1 ; x 2 −1 ; x 3 −1471 y 3 + 8a 3 ; y+ 2a ; y 2 −2a y+ 4a 2472 z−5; 2 z−10 ; z 2 −25 ; z 2 + 25+ 10 z473 a 2 −2 a+ 1; a 2 −3a+ 2 ; 1−a474 2 x ; 3 x−2 ; 3 x 2 −2 x ; 10 x 2475 a 2 −a ; a 2 + a ; a−a 2 ; 2 a 2 −2476 x−2 ; x 2 −4 ; a x+ 2a−3 x−6 ; a 2 −6 a+ 9477 x 2 −a 2 ; x+ a ; x 2 + a x ; a x+ a 2478 x 2 −4 x+ 4; 2 x−x 2 ; x 2 −2 x ; x 3 ; x 3 −2 x 2270

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