Q3Numerical5 Marks10 May 2026Let u = (1,3,−5)(1, 3, -5)(1,3,−5) and v = (5,c,7)(5, c, 7)(5,c,7) be two vectors in R3\mathbb{R}^3R3 such that u and v are perpendicular to each other. Find the value of c.Your answerPress Enter to check.
