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(a)
(b)
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Sure thing! Let’s dive into some math magic!
For part (a), the series
can be expressed in Sigma notation as
. This means you’re summing up the integers from 1 to 6!
For part (b), the series
represents the squares of the integers from 1 to 7. In Sigma notation, this can be written as
. So, if you wanted to calculate the sum of squares of the first seven natural numbers, that’s how you’d do it!