JEE MATHEMATICS MCQ: COMPLEX NUMBERS

1 Easy

1 of 1

Analyzing +4 | -1

x,y,z

are real and distinct, then

{x^2} + 4\;{y^2} + 9\;{z^2} - 6\;yz - 3\;zx - 2\;xy

is always

View answer and explanation

Correct option: A

Non-negative

Option A (Non-negative) is correct because the expression can be rewritten as a sum of squares, which is always non-negative.

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