Approximate solution for square root of sum of squares

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SUMMARY

The discussion focuses on deriving an approximate solution for the square root of the sum of squares, specifically the equation X^2 = Sqrt(x1^2 + x2^2 + x3^2 + ...). Participants suggest factoring out the largest term, denoted as x2, to simplify the expression to x2(1 + something). This approach provides a pathway to understanding the relationship between the sum of individual squares and their collective square root.

PREREQUISITES
  • Understanding of algebraic manipulation and factoring techniques.
  • Familiarity with square roots and their properties.
  • Basic knowledge of mathematical notation and equations.
  • Experience with problem-solving in mathematics, particularly in calculus or algebra.
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  • Explore the properties of square roots and their applications in mathematical proofs.
  • Study the implications of approximations in mathematical equations.
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Students, educators, and mathematicians interested in algebraic approximations and problem-solving techniques related to sums of squares and their applications in various mathematical contexts.

mrafiee
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Homework Statement



If X^2=Sqrt(x1^2+x2^2+x3^2+...)=> X?

and vice versa
If X=x1+x2+x3+...=> X^2?


Homework Equations





The Attempt at a Solution

 
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welcome to pf!

hi mrafiee! welcome to pf! :smile:

(try using the X2 and X2 buttons just above the Reply box :wink:)

hint: factor out the largest one (say, x2), and then it's x2(1 + something) :smile:
 

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