Algebra Question with answer Practice Question and Answer

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Answer : 2. "1"

Q:

рдорд╛рди рд▓реАрдЬрд┐рдП

P = 12xy тАУ 10y2 тАУ 18x2,

Q = 14x2 + 12y2 + 9xy, and

R = 5y2 тАУ x2┬а+ xy рдФрд░

рддрдм (P + Q) тАУ R =

1047 0

  • 1
    22xy тАУ 3x2 + 3y2┬а
    Correct
    Wrong
  • 2
    22xy + 3x2 тАУ 3y2┬а
    Correct
    Wrong
  • 3
    20xy тАУ 3x2┬атАУ 3y2
    Correct
    Wrong
  • 4
    20xy тАУ 3x2┬атАУ 3y2
    Correct
    Wrong
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Answer : 4. "20xy тАУ 3x2┬атАУ 3y2"

Q:

рдпрджрд┐ a + b + c = 6, a3 + b3+c3-3abc=342, рддреЛ ab + bc + ca рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

998 0

  • 1
    5
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    -7
    Correct
    Wrong
  • 4
    -5
    Correct
    Wrong
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Answer : 3. "-7 "

Q:

рдпрджрд┐ 27(x+y)3 тАУ 8(x-y)3=(x+5y)(Ax2+By2+Cxy),┬арддреЛ (A+B-C) рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

1068 0

  • 1
    18
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    13
    Correct
    Wrong
  • 4
    11
    Correct
    Wrong
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Answer : 2. "16"

Q:

рдпрджрд┐┬а$${{5x-7}\over 3}+2={{4x-3}\over 4}+4x$$, рддреЛ (8x+5) рдХрд╛ рдорд╛рди рд╣реИ

1013 0

  • 1
    9
    Correct
    Wrong
  • 2
    13
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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Answer : 3. "6"

Q:

рдпрджрд┐ 2x + 3y = 17 рдФрд░ 2x+2 тАУ 3y+1 = 5, рддреЛ :

1175 0

  • 1
    x = 1, y = 3
    Correct
    Wrong
  • 2
    x = 3, y = 3
    Correct
    Wrong
  • 3
    x = 3, y = 2
    Correct
    Wrong
  • 4
    x = 1, y = 2
    Correct
    Wrong
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Answer : 3. "x = 3, y = 2"

Q:

рдЕрднрд┐рд╡реНрдпрдХреНрддрд┐┬а(1+x)(1+x2)(1+x4)(1+x8)(1-x)┬ардХрд╛┬ард╕рд░рд▓реАрдХреГрдд┬ард░реВрдк┬ардХреНрдпрд╛┬ард╣реИ?

1117 0

  • 1

    1-x40

    Correct
    Wrong
  • 2

    1-x32

    Correct
    Wrong
  • 3

    1-x16

    Correct
    Wrong
  • 4

    1-x42

    Correct
    Wrong
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Answer : 3. "

1-x16

"

Q:

рдпрджрд┐ 4x2 + y2 = 40 ┬ард╣реИ, рддреЛ xy = 6, ┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдпреЗред

1322 0

  • 1
    6
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 2. "8"

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