SSC CGL Model Paper 18

Question : 63 of 100

Marks: +1, -0

If x + y + z = 0, then what is the value of

x^2/{3z}+y^3/{3xz}+z^2/{3x}\ ?

Solution:

If x + y + z = 0,
then

x^3 + y ^3 + z^3 =3xyz

x^2/{3z}+y^3/{3xz}+z^2/{3x} ={x^3 + y ^3 + z^3} /{3xz}

={3xyz}/{3xz}=y

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