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Matematica C3 – Algebra 1 - itis magistri cumacini

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www.matematicamente.it - <strong>Matematica</strong> C 3 – <strong>Algebra</strong> 1 – 3. Calcolo letterale►8. Espressioni con i prodotti notevoli369 [a2 b−c ][a−2 b−c ]4bb−2x R. [a 2 −4c 2 ]370 [a−2b 2 −a 3 ][−a 3 −a−2 b ]a 2 a 2 −8ab24b 2 −a 4 R. [32a b 3 −16b 4 ]371 [ x2 y 2 −x 2 −2 y 2 ][ x2 y 2 x 2 −2 y 2 ]372 x x−1 2 x1x−1−x x1 x−3− x2 2 R. [−5]373 x1 2 −x−1 2 R. [4 x]374 x1 3 − x−1 3 −6 x R. [2 x 3 ]375 x1 2 x−2 2 − x−1 2 − x1 x−1 R. [5]376 x2x−2 x2 2 R. [2 x 2 −4 x ]377 x1 3 − x−1 x 2 x13 x x−1 R. [0]378 x1 x−1 x1 2 x−1 2 R. [x 3 −x 2 5 x−1 ]379 x y1 xy−1x y 2 −2 x y x− y−2 y−12 y1 R. [4 xy]380 12 a 2 3 −3b 1 3 ab 1 2 a− 2 3 −3b− 1 3 ab 1 9 ab31ab− 1 2 a− 2 3 1 2 a 2 R. 9b3 2381 x− y 2 x y y−x R. [2y 2 −2xy ]382 a−3b 2 2 a3b2 a−3b−a2bb−2a R. [7a 2 −3ab−2b 2 ]383 x y− z 2 x− y z 2 −2 x− y−z 2 R. 4 xy4xz−8 yz384 a2b−3ca2b3c a 2 −b−a 2 −b 2a−b 3385 [3x 2 −x2 yx−2 y] 2 −2 x 1 2 x−3 2 y 2 −3xy x 3 2 y −2x2 4y 2 2 R.386 x 2 yx 2 3 2 − 3b2 1 2 a4 2 a 3 1 3 a2 2387 3 x 2 −4 xy 2 5 − y 2 x 1 2 y3 2 2 x2 y 2 3 2 y2 2 x 2 y 2 − 3 2 y 2 388 25 zx3 −3 x 2 y 2 5 zx3 3 x 2 y 2 x2 y 2 z 3 1 2 z 2 x 2 y 3−12 x3389 −2 x x−1 2 2 x 3x− 1 2− 4 3 x 2 x− 4 3 R. [0]390 a−2b 4 −b2a−b 3 −a 2 a6b 2 R. [17 b 4 −38 ab 3 −28a 3 b ]391 [x−1 2 −2] 2 −x 2 x−1 2 6 x x−1 x1 R. [3 x 2 ]392 x1 4 −x1 2 x−1 2 −4 x x1 2 R. [0]393 x−2x2 x−224 −2 x 2 R. [ 2]1 2 x394 2 x− 1 3234 2x1 R.[ 8 x3 14 3395 x1 3 −3 x−1−1−x x−4x1 R. [x 3 x 2 −8]396 x− 1 232 x1 3 −x1 − 2x− 4 3 x4 3 R. [1−2 x]26x27]397 x−3 3 −x 2 x−9−9x−3−9 R. [18 x−9]398 x x−1 2 x1x−1 2 −x x−1 3 R. [2 x 3 −3 x 2 1 ]399 − 1 2 x x 3 4 [ 2 x1− x1 x− 1 22 3 x1 2 ] 7 x3 R.38 [8 x 3 − 11 x2] 4400 ( x− y) 3 −( y−x) 3 + 2 xy( x+ y)( x− y)−7( x− y)(x 2 + xy+ y 2 )+ 5 (x 3 − y 3 )−2 xy (x+ y)( x− y+ 3) R.0212

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