If x2+4y2= 4xy, then x:y is :

Options
- 1:2
- 2:1
- 2:3
- 3:2

CORRECT ANSWER : 2:1

Discussion Board
Answer

x^2+4y^2=4xy
x^2+4y^2-4xy=0
Using the formula (a-b)^2=a^2+b^2-2ab
here a=x,b=2y
so,(x-2y)^2=0
x-2y=0
x=2y
x/y=2/1
x:y=2:1




Susitha 07-4-2021 03:01 AM

X^2+4Y^2=4XY

(X-2Y)^2=0
X-2Y=0
X=2Y
X:Y=2:1

Raghu 08-28-2018 11:49 AM

Problem answer how it find

Show me tricks

Pruthvi 06-7-2018 03:14 AM

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