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Question 168Asked in DSSSB TGT Computer Science, 24 Jun 2023, Shift 3 (4:30 PM)

Question 168 of DSSSB TGT Computer Science PYQ, 24 Jun 2023, Shift 3 (4:30 PM)

Question content
  1. ASin 2u
  2. B0
  3. CNone of the given options
  4. DCos 2u
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Correct answer: (B) 0

Explanation

u = tan⁻¹(y/x) is a homogeneous function of degree 0. By Euler's theorem, x∂u/∂x + y∂u/∂y = 0 × u = 0.

From DSSSB TGT Computer Science PYQ, 24 Jun 2023, Shift 3 (4:30 PM)

This is question 168 of DSSSB TGT Computer Science PYQ, 24 Jun 2023, Shift 3 (4:30 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.