A. \(A_{30}^{4}\)
B. \({{30}^{5}}\)
C. \({{30}^{5}}\)
D. \(C_{30}^{5}\)
A. \(d=-9.\)
B. \(d=7.\)
C. \(d=-7.\)
D. \(d=9.\)
A. \(\left( -\infty \,;\,-3 \right)\)
B. \(\left( -3;5 \right)\)
C. \(\left( 3;4 \right)\)
D. \(\left( 5;+\infty \right)\)
A. y = 1
B. x = 0
C. y = 0
D. x = 1
A. 3
B. 0
C. 2
D. 1
A. y = 2
B. x = 2
C. y = -5
D. x = -5
A. \(y={{x}^{3}}+3x-1.\)
B. \(y=-{{x}^{4}}+{{x}^{2}}-1.\)
C. \(y=\frac{x+2}{x+1}.\)
D. \(y=\frac{x-1}{x+1}.\)
A. 2
B. 3
C. 0
D. 1
A. \(-{{\log }_{a}}b\)
B. \(\frac{1}{{{\log }_{a}}b}\)
C. \(\log a-\log b\)
D. \({{\log }_{a}}b\)
A. \(y'=\frac{\ln 2018}{x}\)
B. \(y'=\frac{2018}{x.\ln 2018}\)
C. \(y'=\frac{1}{x.\ln 2018}\)
D. \(y'=\frac{1}{x.\log 2018}\)
A. \({{a}^{\frac{2}{3}}}\).
B. \({{a}^{\frac{4}{3}}}\).
C. \({{a}^{\frac{7}{3}}}\).
D. \({{a}^{\frac{5}{3}}}\).
A. \(\left\{ 0;1 \right\}\)
B. \(\varnothing \)
C. \(\left\{ 2;4 \right\}\)
D. \(\left\{ -2;2 \right\}\)
A. 0
B. 1
C. 2
D. 3
A. \(\int{\frac{1}{{{\cos }^{2}}x}}dx=\tan x+C\)
B. \(\int{{{e}^{x}}}dx={{e}^{x}}+C\)
C. \(\int{\ln }xdx=\frac{1}{x}+c\)
D. \(\int{\sin }xdx=-\cos x+C\)
A. \(F(x)=\frac{1}{2}\ln \left| 2x+1 \right|+C\)
B. \(F(x)=2\ln \left| 2x+1 \right|+C\)
C. \(F(x)=\ln \left| 2x+1 \right|+C\)
D. \(F(x)=\frac{1}{2}\ln (2x+1)+C\)
A. I = 11
B. I = 7
C. I = 2
D. I = 18
A. \(\ln 2-1\).
B. \(-\ln 2\).
C. \(\ln 2\).
D. \(1-\ln 2\).
A. \(z=\sqrt{3}+i\)
B. z = 3i
C. z=-2+3i
D. z = -2
A. \(z=\frac{1}{5}+\frac{7}{5}i\).
B. \(z=\frac{1}{10}+\frac{7}{10}i\).
C. \(z=\frac{1}{5}-\frac{7}{5}i\).
D. \(z=-\frac{1}{10}+\frac{7}{10}i\).
A. z=1-2i
B. z=2+i
C. z=1+2i
D. z=-2+i
A. \(2{{a}^{2}}\)
B. \(6{{a}^{3}}\)
C. \(2{{a}^{3}}\)
D. \(6{{a}^{2}}\)
A. V = 10
B. V = 20
C. V = 30
D. V = 60
A. \(16\pi \)
B. \(48\pi \)
C. \(12\pi \)
D. \(36\pi \)
A. \(\frac{2\pi {{R}^{3}}}{3}\)
B. \(\pi {{R}^{3}}\)
C. \(\frac{\pi {{R}^{3}}}{3}\)
D. \(2\pi {{R}^{3}}\)
A. \(\left( 1;1;0 \right)\)
B. \(\left( 2;2;0 \right)\)
C. \(\left( -2;-4;2 \right)\)
D. .\(\left( -1;-2;1 \right)\)
A. \(R=\sqrt{3}\)
B. \(R=3\)
C. \(R=9\)
D. \(R=3\sqrt{3}\)
A. \(m=-5\).
B. \(m=1\).
C. \(m=3\).
D. \(m=-1\).
A. \(\overrightarrow{u}=\left( 1;\,-2;\,0 \right)\)
B. \(\overrightarrow{u}=\left( 3;\,1;\,2 \right)\)
C. \(\overrightarrow{u}=\left( 1;\,-2;\,2 \right)\)
D. \(\overrightarrow{u}=\left( -1;\,2;\,2 \right)\)
A. \(\frac{1}{18}\)
B. \(\frac{1}{6}\)
C. \(\frac{1}{8}\)
D. \(\frac{2}{25}\)
A. \(y\,=\,-{{x}^{4}}-6{{x}^{2}}\).
B. \(y\,=\,-{{x}^{3}}+3{{x}^{2}}-9x+1\).
C. \(y\,=\,\frac{x+3}{x-1}\).
D. \(y\,=\,{{x}^{3}}+3x\).
A. 46
B. -23
C. -2
D. 13
A. \(\left( 4;+\infty \right)\)
B. \(\left( 2;4 \right]\)
C. \(\left[ 4;+\infty \right)\)
D. \(\left( -\infty ;4 \right]\)
A. -3
B. -8
C. 12
D. 1
A. 12
B. 10
C. 13
D. 15
A. \(30{}^\circ \)
B. \(75{}^\circ \)
C. \(60{}^\circ \)
D. \(45{}^\circ \)
A. 3a
B. \(\frac{3a}{2}\)
C. \(\frac{a\sqrt{10}}{2}\)
D. \(a\sqrt{2}\)
A. \({{x}^{2}}+{{\left( y-2 \right)}^{2}}+{{z}^{2}}=3\)
B. \({{\left( x-1 \right)}^{2}}+{{\left( y-2 \right)}^{2}}+{{z}^{2}}=3\)
C. \({{\left( x-1 \right)}^{2}}+{{\left( y-2 \right)}^{2}}+{{\left( z+1 \right)}^{2}}=9\)
D. \({{\left( x-1 \right)}^{2}}+{{\left( y-2 \right)}^{2}}+{{z}^{2}}=9\)
A. \(\left\{ \begin{align} & x=4+3t \\ & y=5-t \\ & z=-7+2t \\ \end{align} \right.\)
B. \(\left\{ \begin{align} & x=-4+3t \\ & y=-5-t \\ & z=7+2t \\ \end{align} \right.\)
C. \(\left\{ \begin{align} & x=3+4t \\ & y=-1+5t \\ & z=2-7t \\ \end{align} \right.\)
D. \(\left\{ \begin{align} & x=-3+4t \\ & y=1+5t \\ & z=-2-7t \\ \end{align} \right.\)
A. 4
B. 2
C. 3
D. 1
A. \(m\ge f\left( 2 \right)+\frac{1}{{{e}^{2}}}\)
B. \(m>f\left( -2 \right)+{{e}^{2}}\)
C. \(m>f\left( 2 \right)+\frac{1}{{{e}^{2}}}\)
D. \(m\ge f\left( -2 \right)+{{e}^{2}}\)
A. \(\frac{21869}{5}\)
B. \(\frac{39364}{9}\)
C. 4374
D. \(-\frac{40}{3}\)
A. 24
B. 26
C. 25
D. 50
A. \(V=\frac{{{a}^{3}}\sqrt{6}}{24}\)
B. \(V=\frac{{{a}^{3}}\sqrt{6}}{8}\)
C. \(V=\frac{{{a}^{3}}\sqrt{3}}{12}\)
D. \(V=\frac{{{a}^{3}}\sqrt{3}}{4}\)
A. \(1000\text{ m}.\)
B. \(500\text{ m}\text{.}\)
C. \(1500\text{ m}\text{.}\)
D. \(2000\text{ m}\text{.}\)
A. \(\frac{x+8}{2}=\frac{y+1}{5}=\frac{z-7}{11}\)
B. \(\frac{x+4}{2}=\frac{y+1}{1}=\frac{z+5}{-1}\)
C. \(\frac{x-8}{2}=\frac{y-1}{5}=\frac{z+7}{11}\)
D. \(\frac{x-4}{2}=\frac{y-3}{5}=\frac{z-3}{11}\)
A. 1
B. 2
C. 3
D. 4
A. 3
B. 2
C. 1
D. 0
A. m = -4; n = 3
B. m = 4; n = 3
C. m = -4; n = 4
D. m = 4; n = -4
A. S = 12
B. \(S=\frac{14}{5}\).
C. \(S=\frac{12}{5}\).
D. S = 0
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