IIT JAM
Ashwini Asked a Question
February 13, 2021 2:18 pmpts 30 pts
  • IIT JAM
  • Mathematics (MA)

If the directional derivative of the function z = ye" at (2, -1) along the unit vector b = ai +bj is zero, then |a + b| equals 1 (b) v2 (c)v2 d) 22 ()22

If the directional derivative of the function z = ye" at (2, -1) along the unit vector b = ai +Bj is zero, then |a + B| equals 1 (B) V2 (C)V2 D) 22 ()22
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  • Satpal singh
    any doubt you can ask.
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  • Satpal singh Best Answer
    see this video https://youtu.be/nBy41oVS5xU your question is explained in a easy way.
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