Quote:
Originally Posted by waqas izhar
it is a typo na bhai. that is why replace dy/dx with dx/dy. let me solve it. there is no other way. and forgive me for asking this: are you my bro or my sis?
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That really is strange then. How comes there are typos in two consecutive papers? The problem with Maths is that a single typo can make the solution impossible and one not only will lose 10 marks but precious time as well.
Am sister bro.