1.If the position vectors of the vertices of a triangle are 2i^−j^+k^2\hat{i} - \hat{j} + \hat{k}2i^−j^+k^, i^−3j^−5k^\hat{i} - 3\hat{j} - 5\hat{k}i^−3j^−5k^ and 3i^−4j^−4k^3\hat{i} - 4\hat{j} - 4\hat{k}3i^−4j^−4k^, then the triangle isa.equilateralb.isoscelesc.right angled isoscelesd.right angledLogin to continueOnly logged in users canattempt or see the solution.
