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.
Radical or Roots Calculator. Use this calculator to find roots of positive and negative real numbers. This calculator will find the given root of real numbers. See additional notes associated with our square root calculator and cube root calculator. Examples: 1  The 4th root of 81, or 81 radical 4, is written as 4â81 = Â±3. 2  The 3rd root, or cube root, of 8 is written as 3â8 = 2. 3  The 3rd root of -27, or -27 radical 3, or the cube root of -27 is written as 3 â-27 = -3.