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Natalka [10]
2 years ago
7

What are all the rational roots of the polynomial f(x) = 20x4 + x3 + 8x² + x - 12?

Mathematics
1 answer:
Hitman42 [59]2 years ago
4 0

Answer:

All the rational roots of the polynomial f(x) = 20x4 + x3 + 8x2 + x - 12 are 3/4 and -4/5.

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Which of the following represents a geometric sequence?
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Answer:

Option 1 is a geometric sequence.

I 1/4, 1/4, 1/4, 1/4

II      1/4, 1/5, 1/6

III     1/4, 1, -4, 1/6

IV     1/4, -4, 1/4, -4

For any geometric sequence there should be a common ratio

To find common ratio we divide consecutive terms

lets check option I

I 1/4, 1/4, 1/4, 1/4

When we divide 1/4 by 1/4 we will get 1

Same 1 for other two terms, so common ratio is 1

Hence the first option is a geometric sequence

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