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:30 May Shift 2The projection vector of the vector 2i^+3j^+k^2\hat{i} + 3\hat{j} + \hat{k}2i^+3j^+k^ on 2i^+j^−2k^2\hat{i} + \hat{j} - 2\hat{k}2i^+j^−2k^ is16 May Shift 1If a⃗,b⃗\vec{a}, \vec{b}a,b and c⃗\vec{c}c are three vectors such that a⃗+b⃗+c⃗=0→\vec{a}+\vec{b}+\vec{c}=\overrightarrow{0}a+b+c=0, where a⃗\vec{a}a and b⃗\vec{b}b are unit vectors and ∣c⃗∣=2|\vec{c}|=2∣c∣=2, then the angle between the vectors b⃗\vec{b}b and c⃗\vec{c}c is :16 July Shift 2If a⃗=i^−j^+k^\vec{a} = \hat{i} - \hat{j} + \hat{k}a=i^−j^+k^, b⃗=2i^+j^−3k^\vec{b} = 2\hat{i} + \hat{j} - 3\hat{k}b=2i^+j^−3k^, c⃗=2i^−j^+7k^\vec{c} = 2\hat{i} - \hat{j} + 7\hat{k}c=2i^−j^+7k^ and a⃗×(b⃗×c⃗)=λb⃗+μc⃗\vec{a} \times (\vec{b} \times \vec{c}) = \lambda \vec{b} + \mu \vec{c}a×(b×c)=λb+μc (When λ\lambdaλ, μ\muμ are scalars), then the value of λ+μ\lambda + \muλ+μ is: