Practice Question and Answer

Q:

рдпрджрд┐┬а$$ {x=a^{2\over3}-a^{-2\over3}}$$┬а┬ард╣реИ рддреЛ┬а$$ {x^{3}+3x}$$┬ардХрд╛ рдорд╛рди рд╣реИред

1641 0

  • 1
    $$ {a^2-{1\over{a^{2}}}}$$
    Correct
    Wrong
  • 2
    $$ {a^2+{1\over{a^{2}}}}$$
    Correct
    Wrong
  • 3
    $$ {a+{1\over a}}$$
    Correct
    Wrong
  • 4
    $$ {a-{1\over a}}$$
    Correct
    Wrong
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Answer : 1. "$$ {a^2-{1\over{a^{2}}}}$$"

Q:

рдпрджрд┐┬а$$ x=\sqrt{\sqrt{5}+1\over {\sqrt{5}-1}}$$┬а┬ард╣реИ рддреЛ┬а$$ {5x^2-5x-1}$$┬ардХрд╛ рдорд╛рди рд╣реИред

1630 0

  • 1
    0
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 3. "4"

Q:

$$ {^3\sqrt {{4} {12\over {125}}}}$$┬ард╕рд░рд▓ рдХреАрдЬрд┐рдпреЗред

1690 0

  • 1
    2
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    $$ {1}{3\over5}$$
    Correct
    Wrong
  • 4
    $$ {2}{3\over5}$$
    Correct
    Wrong
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Answer : 3. "$$ {1}{3\over5}$$"

Q:

$$ {^3\sqrt{\sqrt{.000064}}}$$┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛ред

1753 0

  • 1
    0.002
    Correct
    Wrong
  • 2
    0.0002
    Correct
    Wrong
  • 3
    0.2
    Correct
    Wrong
  • 4
    0.02
    Correct
    Wrong
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Answer : 3. "0.2"

Q:

рдХрд┐рд╕ рд░рд╛рдЬреНрдп рдХреА рд╕рд░рдХрд╛рд░ рдиреЗ рд╣рд╛рд▓ рд╣реА рдореЗрдВ, тАШрдореЗрдЬрд░ рдзреНрдпрд╛рдирдЪрдВрдж рд╡рд┐рдЬрдпрдкрде рдпреЛрдЬрдирд╛тАЩ рд╢реБрд░реВ рдХреА рд╣реИ?

2115 0

  • 1
    рдУрдбрд┐рд╢рд╛
    Correct
    Wrong
  • 2
    рдЙрддреНрддрд░рдкреНрд░рджреЗрд╢
    Correct
    Wrong
  • 3
    рдордзреНрдпрдкреНрд░рджреЗрд╢
    Correct
    Wrong
  • 4
    рдкрдВрдЬрд╛рдм
    Correct
    Wrong
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Answer : 2. "рдЙрддреНрддрд░рдкреНрд░рджреЗрд╢"

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Answer : 1. "13th"

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