Interventional radiology. Interventional radiology (IR), sometimes known as vascular and interventional radiology (VIR), is a medical sub-specialty which provides minimally invasive image-guided diagnosis and treatment of disease.
Report Abuse. 3*(2)^(1/3) In words, 3 times the third root of 2. Divide 54 by 27 (which is 3 cubed), giving 2 inside the radical and 3 outside.... ... Â· 5 years ago.*(2)^(1/3) In words, 3 times the third root of 2. Divide 54 by 27 (which is 3 cubed), giving 2 inside the radical and 3 outside. ... ... Â· 5 years ago.
Cube Root. Given a number , the cube root of , denoted or ( to the 1/3 power), is a number such that . The cube root is therefore an nth root with . Every real number has a unique real cube root, and every nonzero complex number has three distinct cube roots. The schoolbook definition of the cube root of a negative number is .