If the binary operation * is deined on a set of ordered pairs of real numbers as(a, b) * (c, d) = (ad bc, bd)and is associative, then(1, 2) * (3, 5) * (3, 4) equals

If the binary operation * is deined on a set of ordered pairs of real

1.	If the binary operation * is deined on a set of ordered pairs of real numbers as(a, b) * (c, d) = (ad bc, bd)and is associative, then(1, 2) * (3, 5) * (3, 4) equals
A.	(32,40)
B.	(74,40)
C.	(7,11)
D.	(23,11)
Answer» C. (7,11)

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If the binary operation * is deined on a set of ordered pairs of real numbers as(a, b) * (c, d) = (ad bc, bd)and is associative, then(1, 2) * (3, 5) * (3, 4) equals

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