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zavuch27 [327]
3 years ago
12

Evaluate the infinite sum

Mathematics
2 answers:
mote1985 [20]3 years ago
8 0

Answer:

It does not converge.

Step-by-step explanation:

Given is an infinite geometric series whose first term is a = 4/7 and common ratio is r = 7/6.

The series ∑a·rⁿ converges if we have |r| < 1.

And the series ∑a·rⁿ diverges if we have |r| > 1.

But we can easily check that |r| = 7/6 > 1.

It means the given series diverges, i.e. does not converge.

Hence, option D is correct answer, i.e. It does not converge.

Effectus [21]3 years ago
6 0

The sum does not converge because \dfrac76>1.

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strojnjashka [21]

Answer: I believe the answer would be 1/9 ?

7 0
3 years ago
Somebody help me plzz
Alex Ar [27]

Answer:

60

Step-by-step explanation:

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6 0
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Read 2 more answers
How to solve -x^2-2x+1
Wittaler [7]

Answer:

Common factor

Factor by grouping

Factor by grouping

−

2

−

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+

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-x^{2}-2x+1

−x2−2x+1

−

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(

2

+

2

−

1

)

{\color{#c92786}{-1(x^{2}+2x-1)}}

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-1(x²+ 2x-1 )

5 0
3 years ago
An easy one for you<br> Find a number that is a multiple of 2,3,4,5 and 6
vlabodo [156]

Answer:

60 that's the least common multiple

Step-by-step explanation:

7 0
3 years ago
There are 12 inches in 1 foot and 5,280 feet in 1 mile. Jada ran 34 miles.
zvonat [6]

For this case we must convert 34 miles to feet and inches.

34 miles to feet:

34 miles * \frac {5280} {1} * \frac {feet} {miles} = 179,520 feet

Jada runs 179,520 feet

34 miles to inches:

34 miles * \frac {5280} {1} * \frac {feet} {miles} * \frac {12} {1} * \frac {inches} {foot} = 2,154,240 inches

Jada runs 2,154,240 inches

Answer:

Jada ran 179,520 feet

Jada ran 2,154,240 inches

3 0
3 years ago
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