Sigma 11 k=8 (2k-9) (k-7) Adalah
Jawaban Terkonfirmasi
Jawab
11
∑ (2k -9)(k – 7)
k = 8
k = 8 → (16-9)(8-7)= 7
k = 9 → (18-9)(9-7) = 18
k= 10 → (20-9)(10-7)= 33
k= 11 → (22-9)(11-7) = 52
11
∑ (2k -9)(k – 7) = 7 +18 + 33 + 52 = 110
k= 8
Semoga membantu……….