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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 frazioni341 3a 4 −3a 3 xa 2 x 2 − 1 9 a x3 R. 3a a− 1 33 x342 a 3 x4a 2 x4ax R. ax a2 23 343 a 3 b 5 − 2 3 a2 b 6 1 b229 a b7 R. ab ab−1 3344 a 2 −ab−9a3b18 R. a−3a−b−6345 8ab 2 −2a 3 R. −2a a2b a−2b346 a 4 −6a 3 3a 2 18a9−1 R. a 2 −3a−4a 2 −3a−2347 a 3 3a 2 ba 2 3ab 2 2abb 3 b 2 R. ab 2 ab1348 x73 x5 x 3 x 3R.13 xx2 1 3349 a24 2ab−16b4 4b 2 R. 1 a2b−4b2 1 a2b4b22 24 3 4 3 2 2 3 2 2 33505a x − 40a y − 45a b x + 360a b yR. R. 5a 2 a−3ba3bx−2y x 2 2xy4y 2 351352−24a b x − 72a b y − 3ab x − 9ab y4 2 2 4 2 2 5 2 5 22ax y − 6bx y − 2axy + 6bxy4 4 4 4R. R. −3ab 2 2abx 2 3y 2 4a 2 −2abb 2 R. R. 2xya−3b x− y x 2 xy y 2 3533 2 3 2 3 2 3 2640a x y − 960a xy + 10b x y −15b xy R. R. 5xy 4ab2x−3y16a 2 −4abb 2 354 −4x−3−2 x116x 2 924x R. −4x38x 2 14x7355 x−23x 2 −4x4− x1 x−2 2 R. x−1x−23−x356 x−1 2 − x2 x 2 −2x1−2 x 3 −3x 2 3x−1 R. x−1 2 1−3x 357 3x6−5x 2 4x4 2 R. 2−x5x 3 30x 2 60x37358 y−x 2 3x2−2x− y 3 −2x 2 2y 2 R. x− y x 2 xy−4y−2y 2 359 −x 2 6x−9 2 −4x−12 x1 R. x−3 x 3 −9x 2 23x−31360 x1−2 x 2 2x13x 2 x 3 3x1 x−2 R. x1x 3 −5x 2 −4361 36x 2 24xy−48x4y 2 −16y15 R. 6x2y−36x2y−5362 x 5 −2−x+ 2 x 4 R. ( x+ 2)(x 2 + 1 )(x+ 1)( x−1)363 6a 3 + 11a 2 + 3a R. a(3a+ 1)( 2a+ 3)364 3a 4 −24 a x 3 R. (3 x−1)(a−2 x)(a 2 + 2a x+ 4 x 2 )365 x 2 −2 x1 x 2 y 2 z 4 −2xy 2xz 2 −2yz 2366 a 6 b 9 3 a 4 b 3 3 a 2 b 6 a 3 −6a 2 12a−8367 a 2 b 2 −1−2 ab a 4 2b−1−b 2368 −8a 2 b24ab 2 −18 b 3 6a 5 −24ab 4369 a 4 b 4 −2a 2 b 2 x 6 −9x 4 y27x 2 y 2 −27y 3370 x 2 −12 x32 x 2 −8 x15371 x 4 −7x 2 −60 x 3 −5x 2 6x2 2372 4a − 9 − 4b + 12bx 5 −13x 3 36x373 4 a 2 4 a1 4 x 2 y 2 −4 xy 1374 x 3 1 a 2 6 a9375 12 xy −16 y 2 2 x 3 −16376 2 x 2 4 x8 ax 2 −ay 2377 a 3 −812 a−6 a 2 7 t 2 −28378 2 x 2 88 x 259 x 2 30 x379 z 8 −2z 4 1 3k 4 k 6 13k 23803x275 44 2− xy26625y− 10y+ 1

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