SAT Math Practice Question #23750 - SATify | SATify

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SAT Math Practice Question #23750 - SATify | SATify

#23750

algebra

operations

medium

90 sec

The operation $⋄$ is defined for all nonzero numbers by $a ⋄ b = \frac{ab}{a + b}$ . Determine $[(3 ⋄ 6) ⋄ 2] - [3 ⋄ (6 ⋄ 2)]$ .

A.

$1$

B.

$- \frac{1}{2}$

C.

$0$

D.

$\frac{1}{2}$

E.

$- 1$