Algebra Question with answer Practice Question and Answer

Q:

सर्कल के त्रिज्या खोजें x2+y2-4x+6y=12

347 0

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

Q:

यदि x = 2 तो x3 + 27x2 + 243x + 631 का मान है

340 0

  • 1
    1233
    Correct
    Wrong
  • 2
    1211
    Correct
    Wrong
  • 3
    1231
    Correct
    Wrong
  • 4
    1321
    Correct
    Wrong
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Answer : 1. "1233 "

Q:

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

339 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 $$a+{1\over a}=5$$, तो $$a^3+{1\over a^3}$$ का मान क्या है

339 0

  • 1
    110
    Correct
    Wrong
  • 2
    15
    Correct
    Wrong
  • 3
    105
    Correct
    Wrong
  • 4
    -10
    Correct
    Wrong
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Answer : 1. "110 "

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

"

Q:

यदि 27(x+y)3 – 8(x-y)3=(x+5y)(Ax2+By2+Cxy), तो (A+B-C) का मान क्या है?

334 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:

दी गई प्रतिक्रियाओं में से, (a2 – b2 )3 + (b2 – c2) 3 + (c2 – a2) 3 का एक कारक है

328 0

  • 1
    (a + b) (a – b)
    Correct
    Wrong
  • 2
    (a + b) (a + b)
    Correct
    Wrong
  • 3
    (a – b) (a – b)
    Correct
    Wrong
  • 4
    (b – c) (b – c)
    Correct
    Wrong
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Answer : 1. "(a + b) (a – b) "

Q:

यदि $${5x-{5\over x}+6=0}$$, तो $$x^2+{1\over x^2}$$ है

326 0

  • 1
    $$86\over11$$
    Correct
    Wrong
  • 2
    $$43\over12$$
    Correct
    Wrong
  • 3
    $$86\over25$$
    Correct
    Wrong
  • 4
    $$81\over10$$
    Correct
    Wrong
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Answer : 3. "$$86\over25$$"

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