SubArea: Expressions with powers and rootsLevel: BProject ID: 1003099503Accepted: 1Clonable: 0Easy: 0Let \( a = 2\sqrt7 + \sqrt5 \) and \( b=\frac1{\sqrt7-\sqrt5} \). Choose the right relation between \( a \) and \( b \).\( a > b \)\( a = b \)\( a < b \)\( a + b = 0 \)
