Algebra Question with answer Practice Question and Answer

Q:

यदि $$m+{1\over(m-2)}=4$$, है, तो $$ (m-2)^2+ \left({{1\over {m-2}}} \right)^2 \ $$ का मान ज्ञात कीजिए

325 0

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

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. "$$86\over25$$"

Q:

यदि x + y + 3 = 0 , तो x3+y3-9xy+9 का मान ज्ञात कीजिए।

408 0

  • 1
    18
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    -36
    Correct
    Wrong
  • 4
    -18
    Correct
    Wrong
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Answer : 4. "-18 "

Q:

यदि (x + 6y) = 8, और xy = 2, जहाँ x > O, (x3+216y3) का मान क्या है?

517 0

  • 1
    476
    Correct
    Wrong
  • 2
    288
    Correct
    Wrong
  • 3
    224
    Correct
    Wrong
  • 4
    368
    Correct
    Wrong
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Answer : 3. "224"

Q:

यदि x = z = 225 और y = 226 तो x3 + y3 + z3 – 3xyz का मान है

482 0

  • 1
    765
    Correct
    Wrong
  • 2
    676
    Correct
    Wrong
  • 3
    576
    Correct
    Wrong
  • 4
    674
    Correct
    Wrong
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Answer : 2. "676 "

Q:

यदि x2 + x = 5 तो $${(x+3)^3}+{1\over (x+3)^3}$$  का मान है 

354 0

  • 1
    140
    Correct
    Wrong
  • 2
    110
    Correct
    Wrong
  • 3
    130
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
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Answer : 2. "110 "

Q:

यदि m = - 4, n = - 2, तो m– 3m+ 3m + 3n + 3n2 + n3 का मान है

365 0

  • 1
    – 126
    Correct
    Wrong
  • 2
    124
    Correct
    Wrong
  • 3
    – 124
    Correct
    Wrong
  • 4
    126
    Correct
    Wrong
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Answer : 1. "– 126 "

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 "

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