Three forces act on a particle F1=−10i+3j+2k\mathbf{F}_1 = -10\mathbf{i} + 3\mathbf{j} + 2\mathbf{k}F1=−10i+3j+2k, F2=5i+9j−6k\mathbf{F}_2 = 5\mathbf{i} + 9\mathbf{j} - 6\mathbf{k}F2=5i+9j−6k and F3=7i−4j+8k\mathbf{F}_3 = 7\mathbf{i} - 4\mathbf{j} + 8\mathbf{k}F3=7i−4j+8k
Find the resultant force.