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brilliants [131]
2 years ago
11

What is the answer for this 3x+4x+5x+...+43x

Mathematics
1 answer:
sweet-ann [11.9K]2 years ago
7 0

Answer:

1032x

Step-by-step explanation:

3x+4x+\cdots+43x=x(3+4+\cdots+45) \\ \\ =43x\left(\frac{45+3}{2} \right) \\ \\ =43(24x) \\ \\ =1032x

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Determine whether the sequence converges or diverges. If it converges, give the limit. 48, 8, four divided by three, two divided
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Answer:

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Step-by-step explanation:

48, 8, 4/3, 2/9...

ratio = 8/48 = 1/6

A sequence converged if the ratio is between -1 and 1.

So, this sequence converges

Limit = a/(1-r)

Where a is the first term, and r is the common ratio

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= 48/[5/6]

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7 0
3 years ago
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Answer:a=2.1 :)

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4 years ago
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Step-by-step explanation:

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