Instructions

In the following questions numbered 1 to 20, a question is followed by data in the form of two statements labelled as (I) and (II) You must decide whether the data given in the statements are sufficient to answer the questions.

Question 9

Is $$x = y = z$$?
(I) $$x^{3} + y^{3} + z^{3} = 3xyz$$.
(II) $$x^{2} + y^{2} + z^{2} = xy + yz + zx$$.

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TS ICET 28th July 2022 Shift-1

Is $$x = y = z$$?(I) $$x^{3} + y^{3} + z^{3} = 3xyz$$.(II) $$x^{2} + y^{2} + z^{2} = xy + yz + zx$$.

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Is $$x = y = z$$?
(I) $$x^{3} + y^{3} + z^{3} = 3xyz$$.
(II) $$x^{2} + y^{2} + z^{2} = xy + yz + zx$$.