Simplification Questions Practice Question and Answer

Q:

рдпрджрд┐ x = 222, y = 223 рдФрд░ z = 224 рд╣реИ, рддреЛ x3+y3+z3-3xyz рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдПред

847 0

  • 1
    2007
    Correct
    Wrong
  • 2
    2005
    Correct
    Wrong
  • 3
    2006
    Correct
    Wrong
  • 4
    2004
    Correct
    Wrong
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Answer : 1. "2007 "

Q:

$$5-{8+2\sqrt{15} \over4}-{{1}\over8+2\sqrt{15}}$$ рдХрд╛ рдорд╛рди рдмрд░рд╛рдмрд░ рд╣реИ:

838 0

  • 1
    $${1\over4}$$
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    $${3\over3}$$
    Correct
    Wrong
  • 4
    $${1\over2}$$
    Correct
    Wrong
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Answer : 2. "1"

Q:

$$\left({?-0.5\over 0.2} \right)={120\over 2}$$

834 0

  • 1
    30
    Correct
    Wrong
  • 2
    12.5
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    17.5
    Correct
    Wrong
  • 5
    22.5
    Correct
    Wrong
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Answer : 2. "12.5"

Q:

рдпрджрд┐ a3 тАУ b3 тАУ c3 тАУ 3abc = 0, рддреЛ

833 0

  • 1
    a = b = c
    Correct
    Wrong
  • 2
    a + b + c = 0
    Correct
    Wrong
  • 3
    a + c = b
    Correct
    Wrong
  • 4
    a = b + c
    Correct
    Wrong
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Answer : 4. "a = b + c"

Q:

рдпрджрд┐ p тАУ 2q = 4, рддреЛ p3 тАУ 8q3 тАУ 24pq тАУ 64 рдХрд╛ рдорд╛рди рд╣реИ:

830 0

  • 1
    2
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    тАУ1
    Correct
    Wrong
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Answer : 2. "0"

Q:

рдпрджрд┐ $$ {1\over x}+x=4,$$ рд╣реИ рддреЛ $${1\over x^2}+x^2$$ рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдП

826 0

  • 1
    14
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 1. " 14 "

Q:

рдпрджрд┐┬аa + b + c = 2, a┬▓ + b┬▓ + c┬▓ = 26┬арддрдм┬аa┬│ + b┬│ + c┬│ - 3abc рдХрд╛ рдорд╛рди рд╣реИ :-┬а

823 0

  • 1
    71
    Correct
    Wrong
  • 2
    74
    Correct
    Wrong
  • 3
    69
    Correct
    Wrong
  • 4
    78
    Correct
    Wrong
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Answer : 2. "74"

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