Algebra Practice Question and Answer

Q:

рдпрджрд┐ x = 19 рдФрд░ y = 18, рддреЛ┬а$$ {{x^2}+{y^2}+{xy}}\over x^3-y3 $$ рдХрд╛ рдорд╛рди рд╣реИ

359 0

  • 1
    1
    Correct
    Wrong
  • 2
    37
    Correct
    Wrong
  • 3
    324
    Correct
    Wrong
  • 4
    361
    Correct
    Wrong
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Answer : 1. "1 "

Q:

рдпрджрд┐┬а$$ a={b^2\over b-a} $$┬арддреЛ┬аa3 + b3┬ардХрд╛┬ардорд╛рди┬ард╣реИ

345 0

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

Q:

рджреА рдЧрдИ рдкреНрд░рддрд┐рдХреНрд░рд┐рдпрд╛рдУрдВ рдореЗрдВ рд╕реЗ, (a2 тАУ b2 )3 + (b2 тАУ c2) 3 + (c2 тАУ a2) 3 рдХрд╛ рдПрдХ рдХрд╛рд░рдХ рд╣реИ

327 0

  • 1
    (a + b) (a тАУ 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 тАУ b) "

Q:

рдпрджрд┐ x = y = 333 рдФрд░ z = 334, рддреЛ x3 + y3┬а+ z3 тАУ 3xyz рдХрд╛ рдорд╛рди рд╣реИ┬а

363 0

  • 1
    0
    Correct
    Wrong
  • 2
    667
    Correct
    Wrong
  • 3
    1000
    Correct
    Wrong
  • 4
    2334
    Correct
    Wrong
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Answer : 3. "1000 "

Q:

рдпрджрд┐ a = 34, b = c = 33, рддреЛ a3 + b3 + c3 тАУ 3abc рдХрд╛ рдорд╛рди рд╣реИ

298 0

  • 1
    0
    Correct
    Wrong
  • 2
    111
    Correct
    Wrong
  • 3
    50
    Correct
    Wrong
  • 4
    100
    Correct
    Wrong
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Answer : 4. "100"

Q:

рдпрджрд┐ a + b = 1 рдФрд░ a3 + b3 + 3ab = k, рддреЛ k рдХрд╛ рдорд╛рди рд╣реИ

419 0

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

Q:

рдпрджрд┐ a + b + c = 6, a2 + b2┬а+ c2┬а= 14 рдФрд░ a3 + b3 + c3┬а= 36, рд╣реИ, рддреЛ abc рдХрд╛ рдорд╛рди рд╣реИ

370 0

  • 1
    3
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 2. "6 "

Q:

рдпрджрд┐┬а$${144\over0.144}={14.4\over x}$$ рд╣реИ, рддреЛ x рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗ

1459 0

  • 1
    144
    Correct
    Wrong
  • 2
    14.4
    Correct
    Wrong
  • 3
    1.44
    Correct
    Wrong
  • 4
    0.0144
    Correct
    Wrong
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Answer : 4. "0.0144"

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