Evaluate the series 4 sigma n=1 n+4

The quick check answers

1. B 2. B 3. B 4. C 5. A

Step-by-step explanation:

Step-by-step explanation:

 Given :

We have to evaluate the sum.

Consider , the given sum

Apply the sum rule,    

we have,

Consider first,

Applying sum formula,

Here, n = 4, we get,

Now consider

Therefore,

Thus,

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step-by-step explanation:

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look above, and leave your comments down below, and don't for get a five stars and a and brainliest xd

sorry for the stars in the middle of words its because it wouldn't let me submit. xd