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vlada-n [284]
3 years ago
12

Determine whether the series -20 + 100 - 500 + ... is convergent or divergent.

Mathematics
2 answers:
irinina [24]3 years ago
7 0

Answer:

B

Step-by-step explanation:

practice on edg 2021

storchak [24]3 years ago
3 0

it's divergent, you can actually simplify this series by combining terms in pairs

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Step-by-step explanation:

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Polynomial comes from poly- (meaning "many") and -nomial (in this case meaning "term") ... so it says "many terms"

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constants (like 3, −20, or ½)
variables (like x and y)
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... except ...

... not division by a variable (so something like 2/x is right out)

So:

A polynomial can have constants, variables and exponents,
but never division by a variable.

Also they can have one or more terms, but not an infinite number of terms.

These are polynomials:

3x
x − 2
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3xyz + 3xy2z − 0.1xz − 200y + 0.5
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These are not polynomials

3xy-2 is not, because the exponent is "-2" (exponents can only be 0,1,2,...)
2/(x+2) is not, because dividing by a variable is not allowed
1/x is not either
√x is not, because the exponent is "½" (see fractional exponents)


But these are allowed:

x/2 is allowed, because you can divide by a constant
also 3x/8 for the same reason
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gizmo_the_mogwai [7]

Answer:

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Step-by-step explanation:The lines below are vertically

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