CUET Mathematics 2022 4 Aug Shift 1Algebra > Easyr⃗=(i^+j^+k^)+λ(2i^−j^+k^)\vec{r} = (\hat{i} + \hat{j} + \hat{k}) + \lambda(2\hat{i} - \hat{j} + \hat{k})r=(i^+j^+k^)+λ(2i^−j^+k^)r⃗=(2i^−j^+k^)+λ(i^+j^+k^)\vec{r} = (2\hat{i} - \hat{j} + \hat{k}) + \lambda(\hat{i} + \hat{j} + \hat{k})r=(2i^−j^+k^)+λ(i^+j^+k^)r⃗=(−2i^+3j^+4k^)+λ(2i^−j^+k^)\vec{r} = (-2\hat{i} + 3\hat{j} + 4\hat{k}) + \lambda(2\hat{i} - \hat{j} + \hat{k})r=(−2i^+3j^+4k^)+λ(2i^−j^+k^)r⃗=(2i^−j^+k^)+λ(−2i^+3j^+4k^)\vec{r} = (2\hat{i} - \hat{j} + \hat{k}) + \lambda(-2\hat{i} + 3\hat{j} + 4\hat{k})r=(2i^−j^+k^)+λ(−2i^+3j^+4k^)✅ Correct Option: 3Related questions:14 May Shift 1If the points A,B,CA, B, CA,B,C with position vectors 20i^+λj^20\hat{i} + \lambda\hat{j}20i^+λj^, 5i^−j^5\hat{i} - \hat{j}5i^−j^ and 10i^−13j^10\hat{i} - 13\hat{j}10i^−13j^ respectively are collinear, then the value of λ\lambdaλ is30 May Shift 2A unit vector perpendicular to the vectors i^−j^\hat{i} - \hat{j}i^−j^ and i^+j^\hat{i} + \hat{j}i^+j^ is10 Aug Shift 1The angle between the vectors i^−j^\hat{i} - \hat{j}i^−j^ and j^−k^\hat{j} - \hat{k}j^−k^ is: