Mining Engineering > GATE 2025 > Vector Calculus
The directional derivative of a function f(x,y,z)=4x2+8y2+9z2 at the point P (3, 4, 5) in the direction vector &vec;b=2î-3ĵ+4k̂ is ______ (rounded off to 1 decimal place)
Correct : 103.5
Similar Questions
A velocity field in Cartesian coordinate system is expressed as
𝒗 = 𝑥𝚤̂+ 𝑦𝚥̂+ 𝑝(𝑧)𝑘, where 𝑝(0) = 0
If div 𝒗 = 0, 𝑝(𝑧) is
Vectors a=2i+3j-4k and b=4i+2j+3k represent the two adjacent sides of a triangle. The magnitude of the area of the triangle and the unit vector perpendicular to...
A trapezium has vertices marked as P, Q, R and S (in that order anticlockwise).
The side PQ is parallel to side SR.
Further, it is given that, PQ = 11 cm, QR...
Total Unique Visitors
Loading......