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Q. what is Componendo and dividendo rule?
 
 
 


Answer :
Componendo and dividendo is a method of simplification in mathematics.
It states that
if a/b=c/d and a!=b, then (a+b)/(a-b)=(a/b+1)/(a/b-1)=((c/d)+1)/(c/d-1)=(c+d)/(c-d)
Posted By : jon
it is theorem in which the denominator is added to the numerator & numerator is added with
negative denominator e. g.
if x/y = a/b then by componendo & dividendo we have
( x + y) /( x- y ) = ( a +b )/ ( a - b )
proof;-----------
3/2 = 6/4 then by componendo & dividendo
3+ 2/ 3- 2 = 6 +4/ 6- 4
OR 5/ 1 = 10/ 2 that is true
Posted By : From Rameshwar
componendo means adding 1 to both the sides of the proportion

dividendo means subtracting 1 from both the sides of the proportion
Posted By : From Nisha
it is a proportionality theorem.it is as:
a/b=c/d,then
(a+b)/(a-b)=(c+d)/(c-d)
Posted By : From Sps Assassin
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