The value of the directional derivative of the function ๐›ท(๐‘ฅ, ๐‘ฆ, ๐‘ง) = ๐‘ฅ๐‘ฆ2 + ๐‘ฆ๐‘ง2 + ๐‘ง๐‘ฅ2

Q. The value of the directional derivative of the function ๐›ท(๐‘ฅ, ๐‘ฆ, ๐‘ง) = ๐‘ฅ๐‘ฆ2 + ๐‘ฆ๐‘ง2 + ๐‘ง๐‘ฅ2 at the point (2, -1, 1) in the direction of the vector ๐ฉ = ๐ข + 2๐ฃ + 2๐ค is

(A) 1ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย  (B) 0.95ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย  (C) 0.93ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย  (D) 0.9

Ans: 1

Sol:

Take Mock Tests

Government Schemes Mock Test Start Test!
Political Science Mock Test โ€“ 42 Start Test
History Test โ€“ 190 Start Test
Quantitative Aptitude Test Start Test!
Data Interpretation - Mock Test Start Test!
General Awareness - Mock Test Start Test!
Reasoning Ability - Mock Test Start Test!
We will be happy to hear your thoughts

Leave a reply

Gkseries.com
Logo
Register New Account