If - a -4- i -3- j - k and - b - i -2- k- then find - 2- b - a - -

a⃗=4î+3î+k̂ b⃗=î 2k̂ 2b⃗=2î 4k̂ |2b⃗×a⃗|= x amp; y amp; z 2 amp; 0 amp; 4 4 amp; 3 amp; 1 =x(12) y(2+6)+ ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Modulus of a Complex Number

If → a =4→ ...

Question

If $\to a = 4 \to i + 3 \to j + \to k$ and $\to b = \to i - 2 \to k$ , then find $∣ ∣ 2 \to b \times \to a ∣ ∣$ .

Open in App

Solution

Suggest Corrections

Similar questions

\vec{A} = 2 \vec{i} + 3 \vec{j} + 4 \vec{k} and \vec{B} = 4 \vec{i} + 3 \vec{j} + 2 \vec{k}

\vec{A} \times \vec{B}

If \vec{a} = 4 \hat{i} + 3 \hat{j} + \hat{k} and \vec{b} = \hat{i} - 2 \hat{k}, then find |2 \hat{b} \times \vec{a}| .

If \vec{a} = 3 \hat{i} - \hat{j} - 4 \hat{k}, \vec{b} = - 2 \hat{i} + 4 \hat{j} - 3 \hat{k} and \vec{c} = \hat{i} + 2 \hat{j} - \hat{k}, find |3 \vec{a} - 2 \vec{b} + 4 \vec{c}| .

If \vec{a} = 3 \hat{i} - \hat{j} - 4 \hat{k}, \vec{b} = - 2 \hat{i} + 4 \hat{j} - 3 \hat{k} and \vec{c} = \hat{i} + 2 \hat{j} - \hat{k}, find |3 \vec{a} - 2 \vec{b} + 4 \vec{c}| .

\vec{a} = 3 \hat{i} - \hat{j} + 2 \hat{k}

\vec{b} = 2 \hat{i} + \hat{j} - \hat{k},

(\vec{a} \times \vec{b}) \vec{a} .

Join BYJU'S Learning Program