# Difference between revisions of "P. 265, Equation (7.16)"

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The second line should be

${\displaystyle =-\lambda \left[-\lambda \left(\lambda ^{2}-\lambda k_{4}+1-k_{3}\right)+k_{2}\right]-\left[-2\left(\lambda ^{2}-\lambda k_{4}+1-k_{3}\right)-k_{1}-1\right]}$

The third line should be:

${\displaystyle =\lambda ^{4}-k_{4}\lambda ^{3}+\left(3-k_{3}\right)\lambda ^{2}-\left(2k_{4}+k_{2}\right)\lambda +\left(1-k_{1}-2k_{3}\right)=0.}$