Maths Practice Question and Answer

Q:

рдЕрдЧрд░ $${{k^2}\over {k^2-2k+1}}={1\over 6}$$, рддреЛ $${1\over k^3}+k3$$ ┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

1439 0

  • 1
    472
    Correct
    Wrong
  • 2
    492
    Correct
    Wrong
  • 3
    512
    Correct
    Wrong
  • 4
    488
    Correct
    Wrong
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Answer : 4. "488 "

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Answer : 1. "20 рд╡рд░реНрд╖"

Q:

┬а $${{1}\over 1+\sqrt { 2} + \sqrt { 3}}+{{1}\over 1-\sqrt { 2} + \sqrt { 3}} $$ рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

1438 0

  • 1
    $$\sqrt { 2}$$
    Correct
    Wrong
  • 2
    $$\sqrt { 3}$$
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    $$\left( {4}\sqrt { 3}+ \sqrt { 2}\right)$$
    Correct
    Wrong
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Answer : 1. "$$\sqrt { 2}$$"

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