ewan koh
It was invented, not discovered.
rosalyn magpao
Rudolff introduces the radical sign in 1525.
Christoff RudolffThe radical symbol first appeared in 1525 in Die Coss by Christoff Rudolff (1499-1545). He used the symbol (without the vinculum) for square roots.
The number under the radical sign (also known as the radical) is called the radican.
Christoff Rudolff was a German mathematician who introduced the radical sign in 1525
A function that has a variable under a radical sign.
False
ewan koh
A number under a radical sign is known as a radicand.
a surd . i suspect
It is the digit 2 underneath the radical sign.