If x = 3a and y = 2b, then x2 + 4y2 – 9a2 – 16b2 + 4xy – 24ab is – McqOptions

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1.	If x = 3a and y = 2b, then x2 + 4y2 – 9a2 – 16b2 + 4xy – 24ab is equal to:
A.	3
B.	6
C.	0
D.	2
Answer» D. 2

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