Question

Prove that 1 + 1/1+2 + 1/1+2+3 +......+ 1/1+2+3+...+n = 2n/n+1?​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

1. put n=1 in rhs and take only first term in lhs
2. put n=2in rhs and take two terms in lhs