Advanced Math

Question :
What is a 'Literal Coefficient' ?

Answer :
A letter which has fixed value is a Literal Coefficient. Usually the letters at the begining of the alphabet are used for this purpose.
Literal Coefficient is a coefficient expressed in letters, or in letters and figures.
For Example :
To save time, when you want to write down 56398246 each time in a sum or if its value although fixed is unknown then this number may be called a, b, c, or any other letter of the alphabet.