ลำดับและอนุกรม ม.5 ทวนสูตร

Quiz
•
Mathematics
•
12th Grade
•
Hard
chanin klaiklang
Used 5+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดกล่าวไม่ถูกต้อง
ลำดับเลขคณิตมีผลต่างร่วม
ลำดับเรขาคณิตมีอัตราส่วนร่วม
ผลต่างร่วมเกิดจาก an – an-1
อนุกรมเลขคณิตคือผลบวกของลำดับเรขาคณิต
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ฟังก์ชันที่มีโดเมนเป็นเซตของจำนวนเต็มบวก หรือสับเซตของจำนวนเต็มบวก ตรงกับข้อใด
ลำดับ
อนุกรม
เลขคณิต
เรขาคณิต
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดเป็นสูตรหาลำดับเลขคณิต
an = a1 + (n - 1)d
an = a1 + (n + 1)d
an = a1 - (n - 1)d
an = a1 (n - 1)d
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดเป็นสูตรหา n ของลำดับเลขคณิต
n = (an + a1 /d ) + 1
n = (an - a1 /d ) + 1
n = (an + a1 /d ) - 1
n = (an - a1 /d ) - 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดเป็นสูตรลำดับเรขาคณิต
an = a1 - rn-1
an = a1 + rn-1
an = a1 rn+1
an = a1 rn-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดคือผลต่างร่วม
r
n
d
Sn
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ข้อใดคืออัตราส่วนร่วม
r
n
d
Sn
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