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JEE MAIN 2021
20-07-2021 - S1
Question
If $\vec{A}$ and $\vec{B}$ are two vectors satisfying the relation $\vec{A} \cdot \vec{B}=|\vec{A} \times \vec{B}|$. Then the value of $|\vec{A}-\vec{B}|$ will be :
Select the correct option:
A
$\sqrt{A^2+B^2}$
B
$\sqrt{A^2+B^2+\sqrt{2} A B}$
C
$\sqrt{A^2+B^2+2 A B}$
D
$\sqrt{A^2+B^2-\sqrt{2} A B}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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