What is the value of n? Enter your answer in the box. n = cm Circle with two intersecting chords forming an x shape in the circl
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Use the chain rule to compute the second derivative:
The first derivative is
Then the second derivative is
Then plug in π/4 for <em>x</em> :
Rewrite the limit as
Then both numerator and denominator approach infinity (with different signs, but that's not important). Applying L'Hopital's rule, we get