Algebra Practice Question and Answer

Q:

(x + a) और (x + b) का गुणनफल क्या है?

425 0

  • 1
    x2+(a-b)x+ab
    Correct
    Wrong
  • 2

    x2+(a-b)x-ab

    Correct
    Wrong
  • 3

    x2+(a+b)x+ab

    Correct
    Wrong
  • 4

    x2+(a+b)x-ab

    Correct
    Wrong
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Answer : 3. "

x2+(a+b)x+ab

"

Q:

यदि $$P_1$$, $$P_2$$, और $$P_3$$ तीन अलग-अलग अभाज्य संख्याएं हैं, तो $$P_1$$, $$P_2$$ और $$P_3$$ का सबसे छोटा उभयनिष्ठ गुणजक्या होगा?

379 1

  • 1
    $$P_1$$
    Correct
    Wrong
  • 2
    $$P_1 × P_2 × P_3$$
    Correct
    Wrong
  • 3
    $$P_2 × P_3$$
    Correct
    Wrong
  • 4
    $$P_1 + P_2 + P_3$$
    Correct
    Wrong
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Answer : 2. "$$P_1 × P_2 × P_3$$"

Q:

$$ {1\over {^3\sqrt{4}+{^3\sqrt{2}}}+1}=a^3\sqrt{4}+ b^3\sqrt{2}+c $$ और a, b, c परिमेय संख्याएँ हैं, तो a + b + c के बराबर है

445 0

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

Q:

यदि a = 2·361, b = 3·263 और c = 5·624, तो a3 + b3 – c+ 3abc का मान है  

475 0

  • 1
    35·621
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    19·277
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 2. "0"

Q:

यदि p, q, r सभी वास्तविक संख्याएँ हैं, तो (p – q)3 + (q – r)3 + (r – p)3 बराबर है

364 0

  • 1
    (p – q) (q – r) (r – p)
    Correct
    Wrong
  • 2
    3(p – q) (q – r) (r – p)
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 2. "3(p – q) (q – r) (r – p) "

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
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Answer : 3. "40 "

Q:

यदि x = – 1, तो $$ {1\over x^{99}}+{1\over x^{98}}+{1\over x^{97}}+{1\over x का मान ^{96}}+{1\ over x^{95}}+{1\ over x^{94}}+x $$ है

317 0

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

Q:

$$x+{1\over x}=2$$ और x वास्तविक है, तो $$x^{17}+{1\over x^{19}}$$ का मान है

372 0

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

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