VectorHard
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 position vector of the points A and B are a and b respectively. If P divides AB is the ratio 3: 1 and Q is the mid p...If ABCDEF is a regular hexagon and if , then l is -...If three forces P,Q,R acting on a particle are represented by three sides of a triangle taken in order, then-...Let ABCD be a parallelogram such that and ∠ABD be an acute angle. If is the vector that coincides with the altitud...The number of distinct real values of λ, for which the vectors - λ2 and are coplanar, is...