gurmehar
gurmehar gurmehar
  • 20-07-2014
  • Mathematics
contestada

if a+b+c=0 for a,b,c then prove a²/bc+b²/ca+c²/ab=3.

Respuesta :

Аноним Аноним
  • 23-07-2014
according to the identity if a+b+c=0
then a3+b3+c3=3abc
a3+b3+c3/abc=3
a2*a/bc*a+b2*b/ca*b+c2*c/ab*c=3
cancel a,b,c in   all the fraction then you get
a²/bc+b²/ca+c²/ab=3. 
hence proved


Answer Link

Otras preguntas

What is the square root of 8.48
Jill , meg and Beth are sisters. Jill is 2 yrs younger than meg . Beth is half as old as meg . let m represent megs age.Write two other algebraic expressions ba
how many regions are shown on the map of United States
Use place value to find the product 5×70=
the radius of the center circle of a basketball court is 6 feet. What is the circumference of the center circle.
what is Thomas Jefferson physical description
mixed numbers between -6 and -7 with a interval of 1/5 between each pair of mixed numbers
Which pronoun best completes the sentence? How is the pronoun used? __________ and Susan are working on a puzzle together. A. Her; predicate nominative B. Her;
Hi! I want to write about the child abuse in one of English-speech countries. Can someone help? :D
what are the first four terms of the sequence represented by the expression n(n-2)-3