A.\(990\)B.\(991\)C.\(989\)D.\(913\)
A.\(\frac{{x + 1}}{1} = \frac{{y - 2}}{3} = \frac{{z - 5}}{{ - 2}}\) B.\(\frac{{x - 1}}{1} = \frac{{y + 2}}{3} = \frac{{z + 5}}{{ - 2}}\)C.\(\frac{{x + 1}}{1} = \frac{{y - 2}}{{ - 3}} = \frac{{z - 5}}{{ - 2}}\) D.\(\frac{{x - 1}}{{ - 1}} = \frac{{y + 2}}{3} = \frac{{z + 5}}{{ - 2}}\)
A.\(3\)B.\(24\)C.\(6\)D.\(12\)
A.\(2\)B.\( - 2\)C.\( - 1\)D.\(1\)
A.\({30^0}\)B.\({60^0}\)C.\({45^0}\)D.\({90^0}\)
A.\(\left( { - \infty ; - 5} \right) \cup \left( {5; + \infty } \right)\) B.\(\left( { - \infty ; - \sqrt 5 } \right) \cup \left( {\sqrt 5 ; + \infty } \right)\)C.\(\left( { - \infty ; - 5} \right] \cup \left[ {5; + \infty } \right)\) D.\(\left( { - \infty ; - \sqrt 5 } \right] \cup \left[ {\sqrt 5 ; + \infty } \right)\)
A.\(I\left( {1; - 2; - 1} \right),\,\,R = 2\)B.\(I\left( {1; - 2; - 1} \right),\,\,R = 4\)C.\(I\left( { - 1;2;1} \right),\,\,R = 2\)D.\(I\left( { - 1;2;1} \right),\,\,R = 4\)
A.\(f\left( 2 \right)\)B.\(f\left( 0 \right)\)C.\(f\left( { - 1} \right) - \frac{3}{2}\)D.\(f\left( 3 \right) - \frac{3}{2}\)
A.\(7\)B.\(5\)C.\(6\)D.\(4\)
A.\(\frac{{{a^3}\sqrt 3 }}{6}\)B.\(\frac{{{a^3}\sqrt 3 }}{4}\)C.\(\frac{{{a^3}\sqrt 3 }}{3}\)D.\(\frac{{{a^3}\sqrt 3 }}{{18}}\)
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