# Calculus

• Jan 27th 2009, 09:41 PM
juicysharpie
Calculus
I need help on this problem. The answer is 36, but I'm no sure how the process works in order to get that answer. Will someone please help? Thank you!!!!!

Evaluate:
13
4
k=5
• Jan 27th 2009, 10:12 PM
earboth
Quote:

Originally Posted by juicysharpie
I need help on this problem. The answer is 36, but I'm no sure how the process works in order to get that answer. Will someone please help? Thank you!!!!!

Evaluate:
13
4
k=5

You have a sum of constant summands:

$4+4+4+4+\underbrace{4+4+4+4+4+4+4+4+4}_{\text{summ ands with indices 5 to 13}}+4+4+4+4+...$

There are 9 summands of 4.