What is the value of x 2 + 4y 2 + z 2 - 4xy + 4yz - 2xz?

Correct Answer is : (2y - x + z)2

SSC CHSL 10 mar 2023 Shift 2 Paper

Section: Quantitative Aptitude

Question : 72 of 100

Marks: +1, -0

What is the value of x² + 4y² + z² - 4xy + 4yz - 2xz?

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