Algebra Practice Question and Answer

Q:

рдпрджрд┐┬аx2+y2+z2 = xy + yz + zx, ┬ард╣реИ,┬арддреЛ $${3x^4+7y^4+5z^4}\over{5x^2y^2+7y^2z^2+3z^2x^2} $$ рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗрдВред

1848 0

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

Q:

рдпрджрд┐┬а┬аa=x+y, b=x-y, c=x+2y┬ард╣реИ рддреЛ┬а$$ {a^2+b^2+c^2}-ab-bc-ca $$┬ардХрд╛ рдорд╛рди рд╣реИ

1870 0

  • 1
    $${4y^2}$$
    Correct
    Wrong
  • 2
    $${5y^2}$$
    Correct
    Wrong
  • 3
    $${6y^2}$$
    Correct
    Wrong
  • 4
    $${7y^2}$$
    Correct
    Wrong
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Answer : 4. "$${7y^2}$$"

Q:

рдирд┐рдореНрди рд╕рдореАрдХрд░рдг рд╣реЛ рд╣рд▓ рдХреАрдЬрд┐рдП

1491 0

  • 1
    4
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 3. "10"

Q:

рдпрджрд┐┬а$${x}^2+{y}^2x+1=0$$ рд╣реИ, рддреЛ┬а$$x^{31}+y{35}$$ рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реЛрдЧрд╛?

1626 0

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

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Answer : 3. "$$ 2abc\over {ac+bc-ab} $$"

Q:

рд╕рд░рд▓реАрдХрд░рдг рдХрд┐рдЬрд┐рдП

1858 0

  • 1
    3/2
    Correct
    Wrong
  • 2
    5/2
    Correct
    Wrong
  • 3
    7/2
    Correct
    Wrong
  • 4
    11/2
    Correct
    Wrong
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Answer : 3. "7/2"

Q:


1435 0

  • 1
    -1
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    41
    Correct
    Wrong
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Answer : 2. "1"

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Answer : 2. "$$4A^3-3A$$ "

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