November 2019 2 117 Report
Quiz Math - Notasi Sigma

Soal Nomor 1
Notasi sigma yang ekuivalen dengan  \displaystyle \sum_{k=5}^{9} (2k-5)^2 adalah ...
A.  \displaystyle \sum_{k=1}^{5} (2k-5)^2
B.  \displaystyle \sum_{k=1}^{5} (2k-3)^2
C.  \displaystyle \sum_{k=1}^{5} 2k^2 + 5 \sum_{k=1}^5 (2k+1)
D.  \displaystyle 4 \sum_{k=1}^{5} k^2 + 3 \sum_{k=1}^5 (4k+3)

Soal Nomor 2
Bentuk  \displaystyle \sum_{n=1}^{10} (n^2-4) bila diubah ke dalam notasi sigma dengan batas atas 7 menjadi ...
A.  \displaystyle \sum_{n=2}^{7} (n^2+7)
B.  \displaystyle \sum_{n=2}^{7} (n^2-7)
C.  \displaystyle \sum_{n=2}^{7} (n^2-4)
D.  \displaystyle \sum_{n=1}^{7} (n^2+6n+5)

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