Maths Practice Question and Answer

Q:

рдпрджрд┐┬а $$x+{1\over x}=2 $$ рд╣реЛ рддреЛ┬а$$x^{12}-{1\over x^{12}} $$ рдХрд╛ рдореВрд▓реНрдп рд╣реИ

905 0

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

Q:

рдпрджрд┐ p = 99, рддреЛ p(p2 + 3p + 3) рдХрд╛ рдорд╛рди рд╣реИ

904 0

  • 1
    999
    Correct
    Wrong
  • 2
    9999
    Correct
    Wrong
  • 3
    99999
    Correct
    Wrong
  • 4
    999999
    Correct
    Wrong
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Answer : 4. "999999"

Q:

рджрд┐рдП рдЧрдП рдкреНрд░рд╢реНрди рдореЗрдВ, рджреЛ рд╕рдореАрдХрд░рдг рдХреНрд░рдорд╛рдВрдХ I рдФрд░ II рджрд┐рдП рдЧрдП рд╣реИрдВред рджреЛрдиреЛрдВ рд╕рдореАрдХрд░рдгреЛрдВ рдХреЛ рд╣рд▓ рдХрд░реЗрдВ рдФрд░ рдЙрдЪрд┐рдд рдЙрддреНрддрд░ рдЪрд┐рд╣реНрдирд┐рдд рдХрд░реЗрдВред

I. x2+ 2x тАУ 15 = 0

II. y2+ 16y + 55 = 0

904 0

  • 1
    x > y
    Correct
    Wrong
  • 2
    x < y
    Correct
    Wrong
  • 3
    x тЙе y
    Correct
    Wrong
  • 4
    x тЙд y
    Correct
    Wrong
  • 5
    x = y рдпрд╛ x рдФрд░ y рдХреЗ рдмреАрдЪ рд╕рдВрдмрдВрдз рд╕реНрдерд╛рдкрд┐рдд рдирд╣реАрдВ рдХрд┐рдпрд╛ рдЬрд╛ рд╕рдХрддрд╛ рд╣реИред
    Correct
    Wrong
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Answer : 3. "x тЙе y"

Q:

рдпрджрд┐ (m + 1) = тИЪn + 3, рддреЛ┬а$${1\over 2}\left({m^3-6m^2+12m-8\over \sqrt { n}}-n \right) ┬а\ $$ рдХрд╛ рдорд╛рди рд╣реИ

903 0

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

Q:

тИЖPQR рдореЗрдВ, тИаQ=90┬░. рдпрджрд┐ cot $$R={1\over 3}$$, рддреЛ┬а$${secP(cosR+sinP)\over cosec \ R(sinR-cosecP)} $$ рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

903 0

  • 1
    $${2\over 7} $$
    Correct
    Wrong
  • 2
    $$-{2\over 3}$$
    Correct
    Wrong
  • 3
    $$-{2\over 7}$$
    Correct
    Wrong
  • 4
    $${2\over 7}$$
    Correct
    Wrong
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Answer : 3. " $$-{2\over 7}$$"

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