Question

if the sum of qubes of n natural number is 25502500, find the value of n
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Answer 1

Sum of cubes of n natural numbers is given by

$( { \frac{n(n + 1)}{2} })^{2}$

From here u can equate it to 25502500

From it n comes out to be -101 and 100....... Since natural no. Aren't negative therefore your answer is 100............ Hope it helps....... Mark best if it is satisfactory........, Thank you