Two norms ||-||, and ||-||, on a vector space V are said to be equivalent if there exist two positive constants c and C such that, (1) c|||||||| C |||| for all x EV If the vector space V is R" show that, the norms |||||||| and ||-||2 are equivalent. More precisely, show that, the following inequalities hold: b) |||| n x |||| for all x ER