Question:
(2x−y+z) ²
Author: GN TutorialsAnswer:
(2x−y+z) ² = (2x) ² + (−y) ² + (z)² + 2(2x)(−y) + 2(−y)(z) + 2(2x)(z) = 4x² + y² + z²− 4xy−2yz+4xz
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Alternative answers:
4x² + y² +z²-4xy -2yz +2yz
Author
GN Tutorials