
- Firstly , You'll have to know the formula of a³ - b³ i.e a³ - b³ = ( a - b ) ( a² + ab + b² )
- What's the cube root of 1000 ? - It's 10 ! How ?
![\sqrt[3]{1000} = \sqrt[3]{ \underline{10} * \underline{ 1 0} * \underline{ 10} } = \boxed{10}](https://img.qammunity.org/2022/formulas/mathematics/high-school/1dogw17n2fbezunjjxkxs5nu6ohtmoi1kr.png)


- Write the number into the exponential form with the exponent 3 :

- Here , Suppose ' x ' as ' a ' & ' 10 ' as ' b '. Use the formula of a³ - b³ :


- Hence , Second option is the correct choice !
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