x^3 27 = 0 x^3 = 27 x^3 = ( 3 )^3 ( ∵3^3 = 27 ) √(x^3) = √(3^3) ⇒ x = 3 Hence x = 3 ...

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Solve: x3-2...

Question

Solve: $x^{3} - 27 = 0$

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Solution

$x^{3} - 27 = 0$
$x^{3} = 27$
$x^{3} = {(3)}^{3} (∵ 3^{3} = 27)$
$\sqrt[3]{x^{3}} = \sqrt[3]{3^{3}}$
$\Rightarrow x = 3$
Hence $x = 3$

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