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E\L-LOVELY-H\math8-1 IInd 6-8-11 IIIrd 24-1-12 IVth 21-4-12 Vth 20-8-12 VIth 10-9-12
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π ( ' * +
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f}rh; iQeZ dk ykHk iQyu
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( ++ * + & *
ykHk vf/drehdj.k
∂π 1 ( I& * * + & ( +
∂ q 1
vFkok , + & ( I&
∂π 2 ( ++ * + & * ( +
∂ q 2
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