The sum of the first terms of a series is given by the expression . Find the least value of such that the sum of the terms from the term is less than but ans is 5
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It doesn't say to sum the terms up to the term, it says FROM the term, presumably up to the term.
Originally Posted by Prove It It doesn't say to sum the terms up to the term, it says FROM the term, presumably up to the term. thanks for pointing that out! i'll attempt the question again with this in mind.
but N doesnt seem to be cancelling out
Originally Posted by Punch but N doesnt seem to be cancelling out am i on the right track?
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