A) 1
B) 2
C) 4
D) 0
Correct Answer: C
Solution :
\[|\,\vec{a}\,\,\times \,\,\vec{b}\,|\,=2\] |
\[[\vec{a}\,\,\vec{b}\,\,\vec{a}\,\,\times \,\,\vec{b}]\] |
\[[\vec{a}\,\,\times \,\,\vec{b}\,\,\,\vec{a}\,\,\vec{b}]=(\vec{a}\,\,\times \,\,\vec{b}).{{(\vec{a}\,\,\times \,\,\vec{b})}^{2}}=|\vec{a}\,\,\times \,\,\vec{b}|\] |
You need to login to perform this action.
You will be redirected in
3 sec