Algebra Practice Question and Answer

Q:

рдпрджрд┐┬аa + b + c = 0 ┬ард╣реИ,┬арддреЛ┬аa3+b3+c3┬ардХрд┐рд╕рдХреЗ рдмрд░рд╛рдмрд░ рд╣реИ ?

1956 0

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

Q:

рдпрджрд┐┬аa2+b2+c2┬а=┬а2(a тАУ b тАУ c) тАУ 3┬а┬ард╣реИ,┬арддреЛ┬а4a тАУ 3b + 5c┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗрдВред

907 0

  • 1
    2
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 1. "2"

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

1441 0

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

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

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

1338 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:


938 0

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

Q:

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

994 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:

рд╕рд░рд▓реАрдХрд░рдг рдХрд┐рдЬрд┐рдП

1305 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"

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