can somebody show me steps for this solution

• Mar 12th 2011, 10:50 AM
moonnightingale
can somebody show me steps for this solution
The file is attached
kindly show me how he got answer
• Mar 12th 2011, 10:55 AM
skeeter
rather straightforward integration by substitution ...

$u = -\dfrac{x}{100}$

$du = -\dfrac{1}{100} \, dx$

substitute, reset the limits of integration, then use the FTC to evaluate.