Evaluate the summation of 2 n plus 5, from n equals 1 to 12.. a. 29 b. 36 c. 216 d. 432

Option: C is the correct answer.

                          C.  216

We are asked to evaluate the sum of the following summation:

Now, this summation could also be written as:

i.e.

Now, we know that:

Since,

i.e.

and

Hence, we have:

i.e.

i.e.

answer: 140

step-by-step explanation:

so just add all then it will be your answer but i am not pretty sur eif it is but hope this i am here to people