Question

e) X-ray beams are applied to human tissue in radiotherapy to treat cancer. For a dose D the probability density function is (αι + 2AD)expl-(ai D + ẢD2)] (where and By are constants) i) write down the corresponding equation for the survival probability. 3 marks] ii) if A-0 evaluate the value of αι that will provide a 50% probability of survival 2 marks] for a dose treatment of 10 Gy.

Answer 1

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