Maths olympiad
Exam
Numerical Ability
Algebra
Find x/y ; when x^2 + 6y^2 = 5xy.
Read Solution (Total 1)
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- x/y=2 or 3
Given, x^2 + 6y^2 = 5xy
Dividing above equation by y^2
(x/y) ^2 + 6 = 5(x/y)
Substituting (x/y)=a, we get a^2 - 5a + 6 =0
(a-2) (a-3) = 0
a = 2, 3 = x/y - 4 years agoHelpfull: Yes(0) No(0)
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