B. Find the sum of finite geometric sequence from the given values.
1. a = -2, r = 5, S3 = ?
2. a = 3, r = -3,S, = ?
3. a, = -3, r = 4,56 = ?
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1. a = -2, r = 5, S3 = ?
2. a = 3, r = -3,S, = ?
3. a, = -3, r = 4,56 = ?
SHOW SULOTION PO
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B. Find the sum of finite geometric sequence from the given values.
1.a = -2, r = 5, S3 = ?
Sn= a1(1 - r^n)
1 - r
S3= -2(1 - 5³)
1 - 5
S3= -2(1 - 125)
1 - 5
S3= -2(-124)
- 4
S3= 248
- 4
S3= -62
Sorry no.1 lang alam ko
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