I'm required to show that
Now I know that
and we can write the LHS as
Which means for the equality to hold I would have to show that , which I don't think is right.
So where have I messed up?
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I'd say it's rather
Because using the formula, we have
And using the formula again, it results that :
So could there possibly be a typo ?
Originally Posted by Moo So could there possibly be a typo ? Double checked and I definitely copied the question out correctly, so I guess it must be a typo.
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