Log 3 2cos 2x 3cosx 1 1
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Сұрақ кітапшасы - 35 нұсқа. 1 нұсқа . 1. Пропорцияның белгісіз мүшесін табыңыз: A) 15 B) 16 C) 3 D) 30 E) 5 2. Сөйле
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解：( )x2－3＞( 0.04 )x ⇒( 0.2 )x2－3＞〔( 0.2 )2〕x＝( 0.2 )2x ∵ 0＜0.2＜1 ∴ x2－3＜2x⇒x2－2x－3＜0 故 ( x－3 ) ( x＋1 )＜0⇒－1＜x＜3 5. 依據實驗，某種細菌原有的數目為N，經過x天後細菌的數目變成N．a x，已知2天後、5天後細菌的數目依序為5×107、5×1010，求：
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0=(-П/2+Пn;П/2+П/n) nEZ. 00=a=2Пn,nэz. 0034120=(x-2)²+(y-1.5)²=6.25. 010=1/kF(kx+b) 010=x=n nEZ. 010=П/k12 010=П/k12 kEZ. 010=a≠2 Пn nEZ
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Use a suitable iterative formula and x1 = 0.1 to find α correct to 5 d.p. Write a suitable iterative formula to solve the equation . Using x1= 1.8, find the solution to the equation correct to 4 d.p. By looking for a sign change show that the equation x = 3-x has a root between 0.5 and 1 . …
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Кодовая шпаргалка по математике для русских школ для ЕНТ 2012
[DOC File]Analiza I: 3. kolokvij - plonkec na A4
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0 30 45 60 90 sin 0 ½ √2/2 √3/2 1 cos 1 √3/2 √2/2 ½ 0 tg 0 √3/3 1 √3 ( sin (a + b) = sin a cos b + cos a sin b ... y sin y cos y ˝(-x cos x sin x (+x -sin x -cos x (-x sin x -cos x 3x 3sin(x)-4sin3x 4cos3x-3cosx -x -sin x cos x ODVODI: Definicija: (f(g)' = f'+g' ... log a+log b=log (ab);log a-log b=log (a/b); ax=b(logab=x; 2x ...
[DOC File]CBSE CLASS XII MATHS
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Integral Calculus. Two mark questions with answers. Q1. dx Ans1. dx = dx = dx = dx = (sec2x + secx tanx) dx = tanx + secx + c Q2. Ans2. = dx = dx = dx = c = c Q3. 3 cotx - 2 tanx)2 dx Ans3. (3 cotx - 2 tanx)2 dx = (9 cot2x + 4 tan2x - 12) dx = [9(cosec2x - 1) + 4(sec2 x - 1) - 12] dx = (4 sec2x + 9 cosec2x - 25) dx = 4 tanx - 9 cotx - 25x + c Q4. dx Ans4. dx = dx = dx = = + c Q5. (1 - sinx) dx ...
[DOC File]Analiza I: 3. kolokvij - plonkec
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0 30 45 60 90 sin 0 ½ √2/2 √3/2 1 cos 1 √3/2 √2/2 ½ 0 tg 0 √3/3 1 √3 ( sin (a + b) = sin a cos b + cos a sin b ... y sin y cos y ˝(-x cos x sin x (+x -sin x -cos x (-x sin x -cos x 3x 3sin(x)-4sin3x 4cos3x-3cosx -x -sin x cos x ODVODI: Definicija: (f(g)' = f'+g' ... log a - log b = log . ax = b ( logab = x. 2x …
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