Sum of function inside radicals

In summary, the conversation discusses the possibility of finding a general algebraic expression for the sum of a function inside a radical, specifically in the case of \sum^{n}_{i=1}\sqrt{c^4i^4+c^2i^2+1}. The question also arises whether the radical can be separated as a separate sum of sqrt(i) or something simpler. It is determined that this cannot be simplified and it is not possible for a novice to find a pattern in the series.
  • #1
hddd123456789
92
0
Hi,

Is there a general algebraic expression for the sum of a function inside a radical? I mean for something like this?

[itex]\sum^{n}_{i=1}\sqrt{f(i)}[/itex]

The specific case is given with constant c:

[itex]\sum^{n}_{i=1}\sqrt{c^4i^4+c^2i^2+1}[/itex]

And I supposed a related question is that, is there some way of extracting out just the radical as a separate sum of sqrt(i) or something which will leave three relatively simpler sums below?

[itex]\sum^{n}_{i=1}c^4i^4+\sum^{n}_{i=1}c^2i^2+\sum^{n}_{i=1}1[/itex]
[itex]=c^4\sum^{n}_{i=1}i^4+c^2\sum^{n}_{i=1}i^2+\sum^{n}_{i=1}1[/itex]

Thanks!
 
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  • #2
No, that cannot be simplified.
 
  • #3
:(

Is there any chance a novice could perhaps determine a pattern to the series given enough time and energy? Or is there some strong mathematical reason why it simply isn't possible?
 

Related to Sum of function inside radicals

What is the concept of "Sum of function inside radicals"?

The sum of function inside radicals is a mathematical operation where the sum of two or more different functions is placed inside a radical symbol, such as a square root. This is often used to simplify complex expressions or equations.

How is the "Sum of function inside radicals" different from regular addition?

The "Sum of function inside radicals" differs from regular addition in that it involves adding functions, rather than just numbers or variables. The result is also expressed as a radical, rather than a single number.

What are some examples of "Sum of function inside radicals"?

An example of "Sum of function inside radicals" would be √(x + 2) + √(x - 3), where the sum of the two functions is placed inside the radical symbol. Another example is √(2x + 5) + √(3x - 2).

What are the common techniques for simplifying "Sum of function inside radicals"?

There are several techniques for simplifying "Sum of function inside radicals", including factoring, using the conjugate rule, and applying the distributive property. It is important to identify common factors and simplify as much as possible before adding the functions inside the radical.

Why is "Sum of function inside radicals" important in mathematics?

"Sum of function inside radicals" is important in mathematics because it allows us to simplify complex expressions and solve equations more easily. It is also used in various fields of science, such as physics and engineering, to model and solve real-world problems.

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