Algebra Practice Question and Answer

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Answer : 4. "1"

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Answer : 1. "a = 2, b = -12"

Q:

рдпрджрд┐┬аx-y=2, xy=24┬ард╣реИ рддреЛ┬а(x2+y2)┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗрдВред

1691 0

  • 1
    52
    Correct
    Wrong
  • 2
    63
    Correct
    Wrong
  • 3
    36
    Correct
    Wrong
  • 4
    25
    Correct
    Wrong
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Answer : 1. "52"

Q:

рдпрджрд┐┬а(a-b)2 + (b-c)2 + (c-a)2 = 0, (a3+b3+c3-3abc) рддреЛ ┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдпреЗ┬а?

1672 0

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

Q:

рдпрджрд┐┬аbc+ab+ca=abc┬ард╣реИ рддреЛ┬а$$ {b+c\over {bc(a-1)}}+{a-c\over {ac(b-1)}}+{a+b\over {ab(c-1)}}$$┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛

1671 0

  • 1
    2
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    $$ {-1\over {2}}$$
    Correct
    Wrong
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Answer : 2. "1"

Q:

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

1669 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┐┬аa-b=10 , ab=-21,┬а┬ард╣реИ рддреЛ┬аa3-b3┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛ред

1630 0

  • 1
    316
    Correct
    Wrong
  • 2
    370
    Correct
    Wrong
  • 3
    185
    Correct
    Wrong
  • 4
    158
    Correct
    Wrong
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Answer : 2. "370"

Q:

рдпрджрд┐┬а┬аa2=b+c, b2=c+a, c2=a+b┬ард╣реИ рддреЛ рдХрд╛┬а$$ {1\over{1+a}}+{1\over{1+b}}+{1\over{1+c}}$$┬ардорд╛рди рд╣реЛрдЧрд╛ред

1624 1

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

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