Question

What is the value of 1 ^3+ 2^3 + 3^3 + …… 20^3 ?

Answer 1

Hi baby

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= {( {1}^{3} + {2}^{3} + {3}^{3}) }^{ \frac{3}{2} } \\ \\ = {(1 + 8 + 27 )}^{ \frac{3}{2}} \\ \\ = ({36)}^{ \frac{3}{2} } \\ \\ = {(6)}^{2 \times \frac{3}{2} } \\ \\ = {(6)}^{3} \\ \\ = 216

answer

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hope this helps you

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