Question: 2. Prove from first principles (i.e. give a direct &-N proof) that the following se- quence converges: an = n + (-1) n +

2. Prove from first principles (i.e. give a direct &-N proof) that

 

2. Prove from first principles (i.e. give a direct &-N proof) that the following se- quence converges: an = n + (-1)" n + 2

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