1.Solve: \sqrt{2x-6 } + \sqrt{x+4} 2. If a, b,c ∈ R, x=a^{2 }-bc, y= – InterviewSolution

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1.	1.Solve: \sqrt{2x-6 } + \sqrt{x+4} 2. If a, b,c ∈ R, x=a^{2 }-bc, y=b^{2 }-ca, z=c^2-ab then prove that x^3+y^3+z^3 -3xyz is a perfect square.
Answer» 1.Solve: \sqrt{2x-6 } + \sqrt{x+4} 2. If a, b,c ∈ R, x=a^{2 }-bc, y=b^{2 }-ca, z=c^2-ab then prove that x^3+y^3+z^3 -3xyz is a perfect square.

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