Quiz Discussion

On simplification the value of \({ \text{1}} - \frac{1}{{1 + \sqrt 2 }}{ \text{ + }}  \frac{1}{{1 - \sqrt 2 }}\)  is = ?

 

Course Name: Quantitative Aptitude

  • 1]

    \(2\sqrt 2 - 1\)

  • 2]

    \(1 - 2\sqrt 2 \)

  • 3]

    \(1 - \sqrt 2 \)

  • 4]

    \( - 2\sqrt 2 \)

Solution
No Solution Present Yet

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  • 1] 2713
  • 2] 2743
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  • 1] 10
  • 2] 12
  • 3] 15
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  • 1] 2254
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  • 3] 2368
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If \(\frac{p}{a} + \frac{q}{b} + \frac{r}{c} = 1\)     and \(\frac{a}{p} + \frac{b}{q} + \frac{c}{r} = 0\)     where a, b, c, p, q, r are non-zero real numbers, then \(\frac{{{p^2}}}{{{a^2}}} + \frac{{{q^2}}}{{{b^2}}} + \frac{{{r^2}}}{{{c^2}}}\)    is equal to = ?

 

  • 1] 0
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  • 1]

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  • 2]

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  • 3]

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  • 4]

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Solution
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  • 1] 14
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  • 3] 32
  • 4] 18
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  • 1]

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  • 2]

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