9x^2+4y^2+25z^2-6xy-10yz-15zx=0 then ratio of x,y,z in equation
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Answer:
10:15:6
Step-by-step explanation:
(3x)^2+(2y)^2+(5z)^2-(3x)(2y)-(2y)(5z)-(5z)(3x)=0
(3x-2y)^2+(2y-5z)^2+(5z-3x)^2=0
3x=2y. 2y=5z. 5z=3x
x/2=y/3. y/5=z/2. z/3=x/5
x/10=y/15=z/6
x:y:z = 10:15:6
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