The correct option is C 39 [(5^2+12^2)^(1/2)]×3 =(25+144)^(1/2)×3 =169^(1/2)×3 =(13^2)^(1/2)×3 =13×3=39 ...

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Comparison of Quantities Using Exponents

Evaluate: 5...

Question

Evaluate: ${(5^{2} + 12^{2})^{\frac{1}{2}}} 3$

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Solution

The correct option is C $39$
$[(5^{2} + 12^{2})^{(\frac{1}{2})}] \times 3 = (25 + 144)^{(\frac{1}{2})} \times 3 = 169^{(\frac{1}{2})} \times 3 = (13^{2})^{(\frac{1}{2})} \times 3 = 13 \times 3 = 39$

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