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 ?

1975 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"

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

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

1456 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:

рджрд┐рдП рдЧрдП рдЙрддреНрддрд░реЛрдВ рдореЗрдВ рд╕реЗ┬а(a2-b2)3+(b2-c2)3+(c2-a2)3┬ардХрд╛ рдПрдХ рдЧреБрдгрдЬ рд╣реЛрдЧрд╛ :┬а

2317 0

  • 1
    (a+b) (a-b)
    Correct
    Wrong
  • 2
    (a+b) (a+b)
    Correct
    Wrong
  • 3
    (a тАУ b) (a тАУ b)
    Correct
    Wrong
  • 4
    (b тАУ c) (b тАУ c)
    Correct
    Wrong
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Answer : 1. "(a+b) (a-b)"

Q:

рд╕рд░рд▓реАрдХрд░рдг рдХрд┐рдЬрд┐рдП

1322 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:


954 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. "$$4A^3-3A$$ "

Q:

рдпрджрд┐┬а$$ x={\sqrt3\over{2}}$$┬ард╣реИ, рддреЛ $$ \sqrt{1+x}-\sqrt{1-x}$$┬а рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗрдВред

929 0

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

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