Algebra Question with answer Practice Question and Answer

Q:

यदि x4+y4+x2y2=21 तथा x2+y2-xy=7 है, तो $${x\over y}+{y\over x}$$ का मान क्या है?

415 0

  • 1
    $$15\over 8$$
    Correct
    Wrong
  • 2
    $$3\over 2$$
    Correct
    Wrong
  • 3
    $$27\over 28$$
    Correct
    Wrong
  • 4
    $$3\over 4$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "$$3\over 2$$"

Q:

a2+b2+c2-2ab-2bc+2ca का मान क्या है?

412 0

  • 1
    (2a + b + c)2
    Correct
    Wrong
  • 2

    (a − b + c)2

    Correct
    Wrong
  • 3

    (a − b − 2c)2

    Correct
    Wrong
  • 4

    (a + 2b − c)2

    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "

(a − b + c)2

"

Q:

यदि $${{x^{24}+1}\over x^{12}}=7$$ तो $${{x^{72}+1}\over x^{36}}$$  का मान है

409 0

  • 1
    433
    Correct
    Wrong
  • 2
    322
    Correct
    Wrong
  • 3
    343
    Correct
    Wrong
  • 4
    432
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "322 "

Q:

यदि $$x-{1\over 5},x≠0,$$ तो $${x^6+3x^3-1}\over x^6-8x^3-1$$ का मूल्य क्या है =?

409 0

  • 1
    $$3\over 8$$
    Correct
    Wrong
  • 2
    $$13\over 12$$
    Correct
    Wrong
  • 3
    $$4\over 9$$
    Correct
    Wrong
  • 4
    $$11\over 13$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "$$13\over 12$$"

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
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "-18 "

Q:

यदि x = 2 - 21/3 + 22/3, x3– 6x2 + 18x + 18 का मान है

394 0

  • 1
    22
    Correct
    Wrong
  • 2
    33
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    45
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "40 "

Q:

दिया है कि x3 + y= 72 और xy = 6 के साथ x > y तो (x – y) का मान है

389 0

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

Answer : 3. "2 "

Q:

यदि $${{5x-7}\over 3}+2={{4x-3}\over 4}+4x$$, तो (8x+5) का मान है

389 0

  • 1
    9
    Correct
    Wrong
  • 2
    13
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "6"

      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