Solve Expansion Problem with Vector Math

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The discussion focuses on solving the expression involving vector math, specifically the term |R - (vect.R' - vect.a)/|vect.R - vect.a|. The user notes that the term (vect.R' - vect.a)/|vect.R - vect.a| is less than one, suggesting a physical constraint. However, there is confusion about what the expression is supposed to equal, as this was not clearly stated. The main request is for assistance in expanding the given expression. Clarification on the equality and further details on the variables involved are needed for effective problem-solving.
Jean-Louis
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N.B. i can't type the symbol for vector, so instead i will just type vect.

So, how can you solve:

|R - (vect.R' - vect.a)/|vect.R - vect.a| |

the term (vect.R' - vect.a)/|vect.R - vect.a| is less than one due to physics.
 
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What's there to "solve"?
 
You haven't stated what they are equal to.
 
It is asked to expand the expression
 
I need help expanding the expression I posted.
 

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