If -49-7- then find the value of -49-0-49-0-0049-0-000049

The correct option is C 7.777 √(49)+√(0.49)+√(0.0049)+√(0.000049) =7+√( 49 / 100 #160; ) +√( 49 / 10000 #160; ) +√( 49 / 1000000 #160; ) ...

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Multiplication of Surds

If √49=7, t...

Question

If $\sqrt{49} = 7$ , then find the value of $\sqrt{49} + \sqrt{0.49} + \sqrt{0.0049} + \sqrt{0.000049}$

7777

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77.77

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777.7

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7.777

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Solution

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$Find the value of (\sqrt{49} + \sqrt{0.49} + \sqrt{0.0049}) \times \sqrt{10000} .$

7 \times (343)^{\frac{1}{3}} \times \frac{49^{\frac{1}{2} - 49^{- \frac{1}{2}}}}{7} =

\frac{5}{7}

P = \frac{x^{2} - 36}{x^{2} - 49}

= \frac{x + 6}{x + 7}

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