Algebra Question with answer Practice Question and Answer

Q:

यदि $$ {x+{1\over x}}=3$$ है तो $$ {x^2}-{1\over {x^2}}$$ का मान ज्ञात करें?

998 0

  • 1
    $$ {8\sqrt{2}}$$
    Correct
    Wrong
  • 2
    $$ {5\sqrt{8}}$$
    Correct
    Wrong
  • 3
    $$ {5\sqrt{3}}$$
    Correct
    Wrong
  • 4
    $$ {3\sqrt{5}}$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "$$ {3\sqrt{5}}$$"

Q:

निम्न समीकरण हो हल कीजिए

994 0

  • 1
    4
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "10"

Q:

यदि a\b + b\a =1, तो a3+b3 कितना होगा ?

989 0

  • 1
    -1
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    0
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "0"

Q:

यदि $$ {4p\over{{p^2}}-4p+4}={1\over8}$$, p≠0  है तो $$ {p+{4\over p}}$$ का मान होगा।

970 0

  • 1
    34
    Correct
    Wrong
  • 2
    37
    Correct
    Wrong
  • 3
    36
    Correct
    Wrong
  • 4
    35
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "36"

Q:

If x - y = 6 and xy = 40, then  find $$ {x^2+y^2}$$

970 0

  • 1
    146
    Correct
    Wrong
  • 2
    80
    Correct
    Wrong
  • 3
    89
    Correct
    Wrong
  • 4
    116
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "116"

Q:

यदि a =500, b=502 और c=504 है तो a3 +b3 +c3-3abc का मान होगा—

964 0

  • 1
    17040
    Correct
    Wrong
  • 2
    18072
    Correct
    Wrong
  • 3
    12048
    Correct
    Wrong
  • 4
    15050
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "18072"

Q:

यदि (a-b)2 + (b-c)2 + (c-a)2 = 0, (a3+b3+c3-3abc) तो  का मान ज्ञात कीजिये ?

955 0

  • 1
    2
    Correct
    Wrong
  • 2
    -1
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "0"

Q:

यदि  a + a2+a3-1=0,  है तो a3 +(1/a) का मान होगा—

952 0

  • 1
    1
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "2"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully