A PWR fueled with ²³⁵ U is initially operating at a power level of 1200 MW _t . What is the power of the reactor after 2 minutes for reactivity insertions of -15 cents and +15 cents? Assume a prompt neutron lifetime of 0.1 milliseconds. Note that in ²³⁵ U fueled thermal reactors, λ ^-1 is about 80 seconds.

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[Po = $B and Al = 10-4 sec] 1-(Gr(-(") Apo B-Po = Po exp B-Po- Po Po Po exp [Po = $B and Al = 10-4 sec] 1-(Gr(-(") Apo B-Po = Po exp B-Po- Po Po Po exp