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Përgjigjet 239ts28248121620400 1 2 3 4 5Vlerësim 21 D2 B3 a i 12 16 3 x x 2 ii 4 12 9 a ab b − + 2 2 iii 5 13 11 2 x x y xy y 3 2 23 b abc = = =− 9, 0, 164 1 47 7 xx x 2 35 a p p( 5) 2 b (2 5)(2 5 5) x x + +− 2 4 (2 5) x x 2 pra a 46 f(3) 20 z 07 a 18 000 b 469 000 c 158 a i c 3 ii A 189 iii B 945 b 20799 ( 2)( 3) 7 x xx − −+ + 210 a i x x y x y xy y 46 4 4 3 22 3 4 ii x x y x y xy y −+ −+ 46 4 4 3 22 3 4 b 2 12 2 x xy y 4 22 4 2( 5 ) 12( 5 ) ( 2 ) 2( 2 ) 4 22 4 2 2⋅ + ⋅ ⋅+⋅ 5 12 5 2 2 4 17811 537612 a i 1 12 60 x x2 ii 64 192 240 − +x x2 b 64 576 1776 x x213 a 2(2)3 + (2)2 – 7(2) – 6 = 16 + 4 – 14 – 6 = 0, prandaj (x – 2) është një faktor. b 2x3 x2 7x 6 (x 2)(2x2 5x 3) (x 2)(2x 3)(x 1) x 2, 1 12 , 114 a a 2, b = −1 b ( 3)( 1)(2 5) xx x +− − c 15-3 1 2,5 d −≤ ≤ 3 1 x ose x t 2.515 a xx x xxx 6 15 20 64 2 15 6 1246 b xx x − + −+ − + xxx 6 15 20 64 2 15 6 1246 c x ++ = x 12 4012 64 44 x x − += 2 10 8 4 ( 1)( 1) 0 x x − −= 4 4 ( 1)( 1)( 1) 0 xxx − + += 2 x = ±116 a C + = C nr nrnr nr!! ( )!!( 1)! ( ( 1))! n,r n, r−1 + ⋅ − − ⋅ − − r n ! ( ⋅ − ( 1 r n + + −nrnr!)!!− ⋅ )! ( 1 )! r n ! ( ⋅ − ( 1 r n ⋅ + −+ − + + − ⋅ nrn rn rnrrr!)!(1)(1)!− ⋅ )! ( 1 )! r n ! (+⋅ +−nr( 1)!1 )! Cn+1, r b C C n+2, 3− = nnnn( 2)!3! ( 2 3)!!3! ( 3)!+− − ⋅ + ⋅ − n, 3 ( 2) ( n n +⋅ +⋅ ( 2) ( n n⋅ − − − ⋅ −⋅⋅ −nnnn1) !3! ( 1)!1) !3! ( 1)! ⋅ + +− − + ⎡⎣ ⎤⎦nn nn nn !3! ( 1)! ( 3 2) ( 3 2) 2 2⋅ − 6 (n n [ ] ⋅ −⋅ − ⋅ n n ( 1)!1)!6 n217 a i B ii D iii E iv s’ka grafik v C b = + y x11 (ose e trajtës = + y ax b , a > 0 dhe b > 0) c yx–15 –5 –10 0 5 10 15–10–5510Kreu 3Ushtrime 3.1B Arsyetim dhe zgjidhje problemore1 a x 0°, 120°, 360° b x 90°, 330° c x 25°, 205° d x 180° ose 300° 2 a x 15° ose 75° b x 16,8° ose 106,8° c x 22,1°, 97,9° ose 142,1° d x 72,3° ose 107,7° e x 49,7° ose 139,7° f x 97,2°3 Çdo shndërrim i saktë, për shembull: a zhvendosje paralele me vektor 900⎛ −⎝⎜⎞⎠⎟°; b një rrotullim me qendër (0°, 0) dhe kënd 180°.4 a (3 cos D, 3 sin D) b (3 cos D)2 (3 sin D)2 9 cos2D 9 sin2D 9(cos2 D sin2D) 9 32 r 3 c 525 x2 y2 1006 a x 26,6° ose 153,4° b x 38,7° ose 141,3° c x 9,2°; 99,2°; 80,8°; 170,8° d x 0°; 90°; 180°; 90° ose 180° dhe T 24,1°; 155,9°; 24,1° ose 155,9° e x 0°; 180° ose 180° dhe x r109,5° f x r90°7 a x 90° b x 135°; 315°; 63,4°; 243,4° c x 19,5°; 160,5°; 270° d x 0°; 180°; 360° e x 60°; 180°; 300° f x 48,6° ose 131,4° 8 a 5, b 89 a maks = 5 m, min = 1 m b 12 orë c 3 paradite dhe 3 pasdite
