Algebra Practice Question and Answer

Q:

यदि $$ {x+{1\over{x}}}$$, है तो का $$ {x^2}+{1\over{x^2}}$$ मान होगा।

1282 0

  • 1
    9
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    11
    Correct
    Wrong
  • 4
    14
    Correct
    Wrong
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Answer : 2. "7"

Q:

यदि  a2=b+c, b2=c+a, c2=a+b है तो का $$ {1\over{1+a}}+{1\over{1+b}}+{1\over{1+c}}$$ मान होगा।

1122 1

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

Q:

यदि 0.13 x p2 = 13 है, तो p किसके बराबर है ?

1824 0

  • 1
    10
    Correct
    Wrong
  • 2
    0.01
    Correct
    Wrong
  • 3
    0.1
    Correct
    Wrong
  • 4
    100
    Correct
    Wrong
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Answer : 1. "10 "

Q:

यदि  $$x=(\sqrt2+1)^{1\over3} $$, है $$(x^3-{1\over {x^3}}) $$ का मान है-

780 0

  • 1
    0
    Correct
    Wrong
  • 2
    $$-\sqrt { 2} \ $$
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    $$3\sqrt { 2} \ $$
    Correct
    Wrong
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Answer : 3. "2"

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Answer : 3. "84"

Q:

यदि $$ x={\sqrt3\over{2}}$$ है, तो $$ \sqrt{1+x}-\sqrt{1-x}$$  का मान ज्ञात करें।

908 0

  • 1
    1
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    $$ \sqrt{3}$$
    Correct
    Wrong
  • 4
    $$ \sqrt{2}$$
    Correct
    Wrong
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Answer : 1. "1"

Q:

दिए गए उत्तरों में से (a2-b2)3+(b2-c2)3+(c2-a2)3 का एक गुणज होगा : 

2300 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 x = y = 333  और z = 334,  है तो x3 + y3 + z3 – 3xyz का मान क्या होगा ?

1188 0

  • 1
    0
    Correct
    Wrong
  • 2
    667
    Correct
    Wrong
  • 3
    1000
    Correct
    Wrong
  • 4
    2334
    Correct
    Wrong
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Answer : 3. "1000"

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