1
IIT-JEE 1992
Fill in the Blanks
+2
-0
A unit vector coplanar with $$\overrightarrow i + \overrightarrow j + 2\overrightarrow k$$ and $$\overrightarrow i + 2\overrightarrow j + \overrightarrow k$$ and perpendicular to $$\overrightarrow i + \overrightarrow j + \overrightarrow k$$ is ...........
2
IIT-JEE 1991
Fill in the Blanks
+2
-0
Given that $$\overrightarrow a = \left( {1,1,1} \right),\,\,\overrightarrow c = \left( {0,1, - 1} \right),\,\overrightarrow a .\overrightarrow b = 3$$ and $$\overrightarrow a \times \overrightarrow b = \overrightarrow c ,$$ then $$\overrightarrow b \, =$$.........
3
IIT-JEE 1988
Fill in the Blanks
+2
-0
The components of a vector $$\overrightarrow a$$ along and perpendicular to a non-zero vector $$\overrightarrow b$$ are ......and .....respectively.
4
IIT-JEE 1987
Fill in the Blanks
+2
-0
If the vectors $$a\widehat i + \widehat j + \widehat k,\,\,\widehat i + b\widehat j + \widehat k$$ and $$\widehat i + \widehat j + c\widehat k$$
$$\left( {a \ne b \ne c \ne 1} \right)$$ are coplannar, then the value of $${1 \over {\left( {1 - a} \right)}} + {1 \over {\left( {1 - b} \right)}} + {1 \over {\left( {1 - c} \right)}} = ..........$$
EXAM MAP
Medical
NEET