( 2 x + y + 3 z ) ( 4 x ^ { 2 } + y ^ { 2 } + 9 y ^ { 2 } - 2 x y - 3 – InterviewSolution

1.	( 2 x + y + 3 z ) ( 4 x ^ { 2 } + y ^ { 2 } + 9 y ^ { 2 } - 2 x y - 3 y z - 6 x z )
Answer» in question it will be 9z square not 9ysquare

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