Algebra Practice Question and Answer

Q:

рдпрджрд┐┬а$$ {a^{x}={(x+y+z)^{y}}}, a^{y}=(x+y+z)^{z} ┬ардФрд░┬а┬а\ a^{z}=(x+y+z)^{x}$$┬ард╣реИ рддреЛ┬а (x +y +z)┬а┬ардХрд╛ рдорд╛рди рд╣реИ

1439 0

  • 1
    0
    Correct
    Wrong
  • 2
    $$ {a^{3}} $$
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    a
    Correct
    Wrong
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Answer : 4. "a"

Q:

рдпрджрд┐┬а$$ ({x+y\over z})=2$$ ,┬а┬ард╣реИ,┬арддреЛ┬а$$ [{ {y\over {y-z}}}] +[{ {x\over {x-z}}}]$$.┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

1420 0

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

Q:

If $$ {x+{9\over x}=6}$$ ┬аthen find the value of $$ {x^{2}+{1\over x^{3}}}$$

1420 0

  • 1
    $$ {12{1\over 27}}$$
    Correct
    Wrong
  • 2
    $$ {9{1\over 27}}$$
    Correct
    Wrong
  • 3
    $$ {8{1\over 27}}$$
    Correct
    Wrong
  • 4
    $$ {10{1\over 27}}$$
    Correct
    Wrong
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Answer : 2. "$$ {9{1\over 27}}$$"

Q:

рдпрджрд┐ p3 тАУ q3 = (p-q)[(p-q)2+xpq)] ┬ард╣реЛ, рддреЛ x рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдпреЗ

1420 0

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

Q:

рдпрджрд┐ a+b+c=7 рдФрд░ a3+b3+c3-3abc=175, рддреЛ (ab+bc+ca) рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

1415 0

  • 1
    8
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 1. "8"

Q:

рдпрджрд┐┬а$${\sqrt{7-2}\over\sqrt{7+2}}=a\sqrt{7}+b$$,рд╣реИ рддреЛ┬аa рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗ┬а

1411 0

  • 1
    $${4\over3}$$
    Correct
    Wrong
  • 2
    $${-4тИЪ7\over3}$$
    Correct
    Wrong
  • 3
    $${11\over2}$$
    Correct
    Wrong
  • 4
    $$-{4\over3}$$
    Correct
    Wrong
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Answer : 4. " $$-{4\over3}$$"

Q:

рдпрджрд┐┬а$$ {x+{1\over x}=7}$$ ┬ард╣реИ рддреЛ┬а$$ {x^{2}+{1\over {x^{2}}}=?}$$┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛?

1411 0

  • 1
    47
    Correct
    Wrong
  • 2
    45
    Correct
    Wrong
  • 3
    49
    Correct
    Wrong
  • 4
    51
    Correct
    Wrong
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Answer : 1. "47"

Q:

рдпрджрд┐┬а$$ {(x-5)^{2} +{(y-2)^{2}}+{(z-9)^{2}=0}}$$┬а┬ард╣реИ рддреЛ┬а(x+y-z)┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реЛрдЧрд╛?

1410 0

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

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