VectorMedium
Question
If the vectors 
= (clog2x) î − 6ĵ + 3
and 
= (log2x) î + 2ĵ + (2clog2 x)
make on obtuse angle for any x ∈ (0, ∞), then c belongs to -
= (clog2x) î − 6ĵ + 3 and = (log2x) î + 2ĵ + (2clog2 x) make on obtuse angle for any x ∈ (0, ∞), then c belongs to -Options
A.(−∞, 0)
B.(−∞, −4/3)
C.(−4/3, 0)
D.(−4/3, ∞)
More Vector Questions
The vectors 3î − 2ĵ , î − 3ĵ + 5 and 2î + ĵ − 4 form-...Let a- ,b- and c-  be three unit vectors such that a-×b-×c-=32b-+c- if c- is not parallel to is c- , then...If two forces acting at a point are represented by n and m and their resultant is represented by (m + n) , then R is a p...If , , are non coplanar vectors then the three points whose position vector are − 2 + 3, 2 + m − 4 and ͨ...Let O be the origin, $\overrightarrow{OP} = \overrightarrow{a}$ and $\overrightarrow{OQ} = \overrightarrow{b}$. If $R$ i...