If sum of the cubes of first n natural number is 25502500 then find the value of n
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Answer:
Step-by-step explanation:
25502500 = 1³ + 2³ + 3³ + ........
25502500 = n / 2 ( 2(1) + (n-1)1 )
= n/2 ( 1 + n )
51005000 = n + n²
n² + n - 51005000 = 0
simplify this equation and you will get the value of n.
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