Algebra Practice Question and Answer

Q:

यदि  $$x+{1\over x}=2 $$ हो तो $$x^{12}-{1\over x^{12}} $$ का मूल्य है

336 0

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

Q:

यदि (3x – 2y) : (2x + 3y) = 5 : 6, तो $${\left({^3\sqrt { x}+\ ^3\sqrt { y}\over ^3\sqrt { x}-\ ^3\sqrt { y} } \right) \ }^2$$  का एक मान है

355 0

  • 1
    $$1\over 5$$
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    $$1\over 25$$
    Correct
    Wrong
  • 4
    25
    Correct
    Wrong
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Answer : 4. "25"

Q:

यदि (m + 1) = √n + 3, तो $${1\over 2}\left({m^3-6m^2+12m-8\over \sqrt { n}}-n \right)  \ $$ का मान है

383 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:

यदि  $${{p^2\over q^2}+{q^2\over p^2}}=1$$, तो (p6 + q6 ) का मान है

368 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:

यदि a + b – c = 0 तो 2b2c2 + 2c2a2 + 2a2b2 –a4 – b– cका मान है

353 0

  • 1
    7
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    14
    Correct
    Wrong
  • 4
    28
    Correct
    Wrong
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Answer : 2. "0"

Q:

यदि  $$4a-{4\over a}+3=0$$ तो $$ a^3-{1\over a^3}+3=?$$ का मान है

356 0

  • 1
    $$3\over 16$$
    Correct
    Wrong
  • 2
    $$7\over 16$$
    Correct
    Wrong
  • 3
    $$21\over 24$$
    Correct
    Wrong
  • 4
    $$21\over 16$$
    Correct
    Wrong
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Answer : 3. " $$21\over 24$$"

Q:

यदि x2 + y2 + z2 = 2 (x + z – 1), तो x3 + y3 + z3 का मान होगा

314 0

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

Q:

x8 – 1 और x4 + 2x3 – 2x – 1 का HCF है:

336 0

  • 1

    x2 + 1 

    Correct
    Wrong
  • 2

    x2 – 1 

    Correct
    Wrong
  • 3

    x + 1

    Correct
    Wrong
  • 4

    x – 1

    Correct
    Wrong
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Answer : 4. "

x – 1

"

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