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6. EQUAZIONI CON MODULI E IRRAZIONALI - Liceo Statale Ischia

6. EQUAZIONI CON MODULI E IRRAZIONALI - Liceo Statale Ischia

6. EQUAZIONI CON MODULI E IRRAZIONALI - Liceo Statale Ischia

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www.matematicamente.it – Matematica C3 – Algebra 2 – <strong>6.</strong> Equazioni con moduli e irrazionali66 ∣x−2∣=∣x 2 −4∣5 R. ∅67 ∣x 2 −3 x∣=x∣x∣ R. x 1 =0 ; x 2 = 3 268 ∣x−1∣ x1=∣2 x−4∣ R. x=6−169 ∣x 2 −5 x6∣=3− x∣x 2 x−2∣ R. x 1=0 ; x 2=3 ; x 3=−15; x 4=−1−570 ∣4 x−x 2 ∣−2 x=2∣x 2 −9∣ R. x 1=−3−33 ; x 2=1−771 x−1 2 ∣x∣= x 2 −1 R. x 1=1; x 2=1272 ∣x∣ 2 −∣x∣=2 R. x 1=2 ; x 2=−273 ∣x∣ 2 3∣x∣2=0 R. ∅74 ∣x∣ 2 −5∣x∣6=0 R. x 1=2 ; x 2=−2 ; x 3=3; x 4=−375 ∣x−1∣ 2 −∣x 2 −1∣=1 R. x= 1−3276 ∣x−1∣−∣3 x−6∣ 2 =0 R. x 1 = 5 2 ; x 2= 7 477 ∣x−1∣−∣3 x−3∣ 2 =0 R. x=178 ∣x∣−2∣17−x 2 ∣ 3 =8 R. x 1 =4 ; x 2 =−4; x 3 = 1257 ; x44 =− 1257479 ∣2 x−1∣−1 6−2∣x 2 −9∣=0 R. x 1=0 ; x 2=1; x 3=6; x 4=−6 ; x 5=23 ; x 6=−2380 ∣x−2∣1−∣x−1∣= 1 R. x41 = 3 2 ; x 2= 2−3281 ∣x−1∣3∣4 3∣ xx2 =2 R. x 1 =−3; x 2 =− 4 23 ; x 3=− 2 382 ∣x−1∣−∣x1∣=1 R. x=− 1 283 ∣4 x 2 −4∣−2∣x1∣=0 R. x 1 =−1; x 2 = 1 2 ; x 3= 3 284 ∣x−4∣=∣x−1 2 −1∣ R. x 1 = 1−17 ; x22 = 117285 ∣ 3 x 2 − 1 2∣ − x=∣x−1∣ R. x 1= 22 ; x 2=− 2286 x−1∣4−2 x∣=x 2 −2 R. x 1 =33; x 2 = 33387 x−1∣4−2 x∣=x 2 −1 R. x 1=1; x 2=588 x−1∣4−2 x∣=x 2 1 R. x=3689 x 2 ∣2 x2∣=4∣x∣ R. x 1=−2; x 2=0 ; x 3=190 ∣x−2∣−∣1−x∣= x−1 2 R. x 1=0 ; x 2=291 2∣x 2 −9∣6∣4 x12∣=0 R. x=−392 ∣x−2∣∣x∣=1− x 2 R. ∅93 ∣x−2∣∣x∣=1 x 2 R. x 1=1; x 2=−1−2; x 3 = 3−33<strong>MODULI</strong> E <strong>IRRAZIONALI</strong> 9

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