2015 HL Maths Paper 2 LC Q 8

[@harrywilliams2223]

Thanks for video however I fail to understand why in d)ii you state Pn=0.75 but in e)you do not substitute that 0.75 into Pn.

[@molloymaths1092]

In this part of the question you must assume that P, Pn and Pn+1 are all different, otherwise the equation will not make sense. You would end up dividing 0 by 0.

[@harrywilliams2223]

@@molloymaths1092 I see thank you