Question

1^3 + 2^3 + 3^3 + 4^3 +………… + 18^3 is equal to : *Give the answer with the formula , step by step only*

Answer 1

Answer:

(171)³

5000211

Step-by-step explanation:

1³+2³+3³+4³+5³+6³+7³+8³+9³+10³+11³+12³+13³+14³+15³+16³+17³+18³

(1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18)³   [cube is common in all the numbers]

(171)³       [Now add all the numbers]

Answer= 5000211

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