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Mathematics 9 Online
OpenStudy (anonymous):

Use summation notation to write the series: 52+49+46+… for 8 terms Plz help i give medals

OpenStudy (nirmalnema):

the series forms an AP in which 1st term is 52 and common diff is -3 \[ \sum_{n=1}^{8}4 (2(a) + (n-1)(d)\])=sum.. n=8 d=-3 a=52

OpenStudy (anonymous):

hey sorry just saw this!

OpenStudy (nirmalnema):

its ok.. :)_

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