Didnot understand d2 coming to demominator at 5:30 in the video

didnot understand d2 coming to demominator at 5:30 in the video

(y * d’) % w’ = p’ % w’
then let us take d’ % w’ as d’’ (or d2)
this equation the becomes
y * d’’ = p’’
which becomes
y = p’’/d’’ or y = p’’ * (d’’)^-1

we should even chage y to y’

y is less than w
So y%w = y = y’

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@leoking …i hope you are in confusion. If you read the question , you can find out that there is a pre-condition i.e, y>=w

@fake.one720 Can you please explain how you got y>=w ? I am not getting this part.