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When gradient of a function is zero, the function lies parallel to the x-axis. State True/False.(a) True(b) FalseI had been asked this question by my college professor while I was bunking the class.I need to ask this question from Gradient in section Vector Calculus of Electromagnetic Theory

Answer»

Correct CHOICE is (a) True

Best explanation: GRADIENT of a FUNCTION is zero IMPLIES slope is zero. When slope is zero, the function will be PARALLEL to x-axis or y value is constant.



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