Surds and Indices Questions Practice Question and Answer

Q:

рдпрджрд┐┬а$$ {(\sqrt {3})^{5}├Ч {9}^{2}={3^{n}{├Ч3\sqrt {3}}}}$$┬ард╣реИ рддреЛ┬аn┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛тАФ

963 1

  • 1
    5
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 1. "5"

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Answer : 4. "$$ {6\over 7}$$"

Q:

$$ {({1\over25})^{-1\over2}}+{({8\over 27})^{-1\over3}}$$.

793 0

  • 1
    $$ {9\over 2}$$
    Correct
    Wrong
  • 2
    $$ {13\over 2}$$
    Correct
    Wrong
  • 3
    $$ {13\over 15}$$
    Correct
    Wrong
  • 4
    $$ {5\over 9}$$
    Correct
    Wrong
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Answer : 2. "$$ {13\over 2}$$"

Q:

$$ {5^{1\over 4}├Ч(125)^{0.25}}$$ ┬ардХреЗ рдмрд░рд╛рдмрд░ рд╣реИред

791 0

  • 1
    $$ {\sqrt{5}}$$
    Correct
    Wrong
  • 2
    $$ {5\sqrt{5}}$$
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    25
    Correct
    Wrong
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Answer : 3. "5"

Q:

рдпрджрд┐┬а$$ {x^{a^{3}}}.x^{b^{3}}.x^{3ab(a+b)}=(2^{5})^{25},a+b=5 $$┬ард╣реИ┬аx┬ардХреЗ рд▓рд┐рдП рдорд╛рди рд╣реЛрдЧрд╛тАФ

984 0

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

Q:

a5┬а├Ч┬аa7┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реЛрдЧрд╛?

805 0

  • 1
    $$ {a^{35}}$$
    Correct
    Wrong
  • 2
    $$ {a^{2}}$$
    Correct
    Wrong
  • 3
    $$ {a^{12}}$$
    Correct
    Wrong
  • 4
    $$ {a^{5}}$$
    Correct
    Wrong
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Answer : 3. "$$ {a^{12}}$$"

Q:

$$ \sqrt{20+\sqrt{29-\sqrt{12+\sqrt{19-\sqrt{9}}}}}$$ ┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛

1061 0

  • 1
    4
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 3. "5"

Q:

рдпрджрд┐┬а$$ {3^{4x-y}={3^{x+y}=\sqrt{27}}}$$, ┬а┬ард╣реИ рддреЛ┬аy┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛тАФ

1603 0

  • 1
    $$ {9\over 10}$$
    Correct
    Wrong
  • 2
    $$ {3\over 2}$$
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    $$ {3\over 4}$$
    Correct
    Wrong
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Answer : 1. "$$ {9\over 10}$$"

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