Algebra Question with answer Practice Question and Answer

Q:

If (3x – 2y) : (2x + 3y) = 5 : 6, then one of the values of $${\left({^3\sqrt { x}+\ ^3\sqrt { y}\over ^3\sqrt { x}-\ ^3\sqrt { y} } \right) \ }^2$$ is

355 0

  • 1
    $$1\over 5$$
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    $$1\over 25$$
    Correct
    Wrong
  • 4
    25
    Correct
    Wrong
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Answer : 4. "25"

Q:

If (m + 1) = √n + 3, the value of   $${1\over 2}\left({m^3-6m^2+12m-8\over \sqrt { n}}-n \right)  \ $$ is

383 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:

If $${{p^2\over q^2}+{q^2\over p^2}}=1$$, then the value of (p6 + q6 ) is

368 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:

If a + b – c = 0 then the value of 2b2c2 + 2c2a2 + 2a2b2 –a4 – b– c4

353 0

  • 1
    7
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    14
    Correct
    Wrong
  • 4
    28
    Correct
    Wrong
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Answer : 2. "0"

Q:

$$4a-{4\over a}+3=0$$ then the value of :   $$ a^3-{1\over a^3}+3=?$$

356 0

  • 1
    $$3\over 16$$
    Correct
    Wrong
  • 2
    $$7\over 16$$
    Correct
    Wrong
  • 3
    $$21\over 24$$
    Correct
    Wrong
  • 4
    $$21\over 16$$
    Correct
    Wrong
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Answer : 3. " $$21\over 24$$"

Q:

If x2 + y2 + z2 = 2 (x + z – 1), then the value of : x3 + y3 + z3 = ?

314 0

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

Q:

The HCF of x8 – 1 and x4 + 2x3 – 2x – 1 is :

336 0

  • 1

    x2 + 1 

    Correct
    Wrong
  • 2

    x2 – 1 

    Correct
    Wrong
  • 3

    x + 1

    Correct
    Wrong
  • 4

    x – 1

    Correct
    Wrong
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Answer : 4. "

x – 1

"

Q:

if $${{x^{24}+1}\over x^{12}}=7$$ then the value of   $${{x^{72}+1}\over x^{36}}$$ is

409 0

  • 1
    433
    Correct
    Wrong
  • 2
    322
    Correct
    Wrong
  • 3
    343
    Correct
    Wrong
  • 4
    432
    Correct
    Wrong
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Answer : 2. "322 "

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