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## Q20 exam 2016 typo?

Hello,

For the problem 20, we are agre that it's answer b) and not c) right?

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Yes, should be a typo.

Hello,

Is it that if n goes to infinity the approximation "in average" becomes "pointwise" then ?

I would say: c is correct but the explanation has a typo. i.e. we can approximate "in average" but not "pointwise"

Is it correct ? Because in course material it is written that "the integral over the bounded domain is an approximation "in average", more precisely in L2-norm."

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