Factories x2 - y2 - 9z2 + 6yz – McqOptions

MCQOPTIONS

1.	Factories x2 - y2 - 9z2 + 6yz
A.	(x + y - 3z) (x + y + 3z)
B.	(x - y - 3z) (x - y + 2z)
C.	(x + y - 3z) (x - y + 3z)
D.	None of these
Answer» D. None of these

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