The symbol $\Delta$ represents one of the following operations: addition, subtraction, multiplication, or division.

The symbol $\Delta$ represents one of the following operations: addition, subtraction, multiplication, or division. What is the value of $1 \Delta 5?$

1. $x \Delta (x \Delta x) = x$ for $x \neq 0$
2. $2 \Delta 2 = 0$

OA B

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