If P = 2i + 4j + 14k and Q = 4i + 4j + 10k find the magnitude of P + Q. Share with your friends Share 2 Jegannathan Anandaraman answered this Hi Chinmay, P + Q = 6i + 8j + 24k |P+Q| = ./(36+64+576) = ./676 = 26 1 View Full Answer Rishab Mishra answered this 26 -1