What is the value of the shown image?

Option B

Step-by-step explanation:

To solve the problem you must develop the sum shown.

Note that the sum goes from i = 1 to i = 3.

Therefore they ask you to make the following sum

Simplifying, we have:

.

The answer is option B

Option B. 7 is the correct answer.

Step-by-step explanation:

The given expression is

Now by putting the the values of t = 1, 2, 3 we get the sequence.

Then we can add the terms of the sequence

First term =

Second term =

Third term =

So the total of these terms will be = 4 + 2 + 1 = 7

Answer is 7.

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step-by-step explanatio89