$$\sum_{k=0}^{5}(3j+2)$$
sum is equal to:______
Apparently the answer is 18j+12
How would I get that answer? Can anyone show me what to do, please? :O

Question

$$\sum_{k=0}^{5}(3j+2)$$
sum is equal to:______
Apparently the answer is 18j+12
How would I get that answer? Can anyone show me what to do, please? :O

anonymous · Answer

That's supposed to be "k=0" but the equal sign looks like a negative

terenzreignz · Answer

Looks like a trick question.
The summand (the thing that follows the giant sigma) does not involve any k.
So, it is a constant as far as k is concerned...

terenzreignz · Answer

So... if it is a constant, then...
$$\huge \sum_{k=0}^n c=(n+1)c$$