- #1

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## Homework Statement

Hey, I have problems solving this question. May I know how to solve this question. Somehow, the answer I got is to the power of negative. can someone show me the step by step solution to this question? (Question 18 from this paper) the link is below.

http://maxpapers.com/wp-content/uploads/2012/11/9702_s13_qp_13.pdf

## Homework Equations

E = Fl / Ae