Mathematics: The nth term of 50, 80, 110 is...

The nth term of 50, 80, 110 is... - id508011010615394, rivermadds3117

Ответ:

Jacobstoltzfus

17.03.2022

Mathematics

a_n=50+(n-1)30

Step-by-step explanation:

Given series is,

50,80,110....

First term, a = 50

Common difference, d = 80-50 = 30

We need to find the nth term of the given sequence.

The nth term of an AP is given by :

a_n=a+(n-1)d

Put a = 50 and d = 30 in the above formula

a_n=50+(n-1)30

Hence, the nth term of the sequence is a_n=50+(n-1)30 .

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Ответ:

claudia3776

20.11.2022

Mathematics

$\sum_{n=1}^{3}\frac{1}{n^3} = \frac{1}{1^3} + \frac{1}{2^3} + \frac{1}{3^3} = 1 + \frac{1}{8} + \frac{1}{27} = \frac{9}{8} + \frac{1}{27} = \frac{251}{216}$

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The nth term of 50, 80, 110 is...

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