What is the coefficient of a radical ?

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1 point
A constant number in front of a radical symbol that is being added to the radical
A constant number in front of a radical symbol that is being multiplied by the radical
A constant number in front of a radical symbol that is being divided by the radical
A constant number in front of a radical symbol that is being subtracted from the radical
Other:

A constant number in front of a radical symbol that is being multiplied by the radical