:
 
() -> 8 -> .. 8

8

26.21



26.21. ) * + 1 3 - Sx2 + X - + X - 2 -Sx2 - * + gv 25__________Sx + 29 _ _________18 + 5_______. 4x2 + 1 16x4 - 1 8*3 + 4x2 + 2x + 1* V je2 - 2* + 4 y2 -f 2# -h 4 _ 2x + 2. B *3 - 2x2 + 4* - 8 *3 + 2x2 + 4x + 8 x2 - 4 r) ________5________ X3 - 2x2 - 2x + 1 ________2________ x3 - 4x2 + 4x - 1


26.21:
____1_____). 332+3 ' +1 |26.21.| ) 1> * * 3 => ' ' (21)+3(2)(. 2 _ . X 1 __ 2 4-1 ~ 324-3 I 12 __V +' (21)(24-1)(3)(21) - ^ 4 = 0=>3 + 2--1 + - 3- (+1)(2-1)+-3-(. 3 + 22 + 2 = 0 =$ 2 2 = 0, ?> = 1 + 4 3 2 = 25 = 52, XI 2 = -. <\ 25 8+29 18x4-5 _ ^ 1 1 25 , > 42-^1+2164-1 - 83^425+2+1 > 7 312 ^ 4x41 ^ _|_2! (421)(424-1) ~ (24-1)(424-1) ~ 100225829(184-5)(21) _ ^ + = 0 (24-1)(21)(42+1) 362 + 8 + 5 = - 1--8 2+4 2+2+4 => 100 - 8 - 54 -642 49 = 0=>2 = ||=> 1,2 = " 8 ) =? + 24-224-44-8 2+2 -4 ^ 224-48 ....... . 22+4 . 24-24-4 2x4-2 __ ^ (-2)(2+4) + (4-2)(2+4) (-2)(4-2) - _ (2-24-4)(4-2)4-(24-24-4)(2)-(24-2)(24-4) - ^ (2)(4-2)(24-4) - = 0=>3 + 8 + 3 8 23 8 22 8 = 0 => 22 8 - 8 = 0 => 22 + 8 + 8 = 0=>2+4 + 4 = = 0 => ( + 2)2 = 0 => = 2 . ) _______5_______________2___________________________5_ 322 2x4-1 2 3424-41 -1 (4-1)(23x4-1) ..__________1 _ . 552224-- 1 _ (1)(23x4-1) (1)(4-1) - ^ (24-1)(21) = 0=>2-6 + 8 = 0=>?> = 36 - 4 - 8 = 4 = 22 => \2 = = => XI = 4, 2 = 2.

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: 4.0/5 ( : 2)



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25.19 25.20 25.21 25.22 25.23 25.24 25.25 25.26 25.27 25.28 25.29 25.30 25.31 25.32 25.33 25.34 25.35 25.36 25.37 25.38 25.39 25.40 25.41 25.42 25.43 25.44 25.45 25.46 25.47 25.48 26.1 26.2 26.3 26.4 26.5 26.6 26.7 26.8 26.9 26.10 26.11 26.12 26.13 26.14 26.15 26.16 26.17 26.18 26.19 26.20 26.2126.22 26.23 26.24 26.25 26.26 26.27 26.28 27.1 27.2 27.3 27.4 27.5 27.6 27.7 27.8 27.9 27.10 27.11 27.12 27.13 27.14 27.15 27.16 27.17 27.18 27.19 27.20 27.21 27.22 27.23 27.24 27.25 27.26 27.27 27.28 27.29 27.30 27.31 27.32 27.33 27.34 27.35 27.36 27.37 27.38 27.39 27.40 27.41 27.42 27.43


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