prove that 4^1/3= 1 + 2/6 + 2*5/6*12 + 2*5*8/6*12*18 + .......infinity

Dear student

Just use the expansion of(1+3)^1/3

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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

Dear student,

Please do not post the same doubt twice..

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All the best.

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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

I've tried this expansion before. It won't come. Sir, there must be some other way.