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Question 1Asked in DSSSB TGT Computer Science (Technical), 1 Aug 2021, Shift 1

Which of the following statement is correct for the given partial differential equation?

Which of the following statement is correct for the given partial differential equation? ∂u/∂t + ∂u/∂x = ∂²u/∂x²
  1. AIt is linear equation of order two
  2. BIt is non-linear equation of order one
  3. CIt is linear equation of order one
  4. DIt is non-linear equation of order two
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Correct answer: (D) It is non-linear equation of order two

Explanation

Note: the answer key gives (D), but the equation is linear: u and its derivatives appear only to the first power and are never multiplied together. The highest derivative is ∂²u/∂x², so it is a linear equation of order two (option A).

From DSSSB TGT Computer Science PYQ (Technical), 1 Aug 2021, Shift 1

This is question 1 of DSSSB TGT Computer Science PYQ (Technical), 1 Aug 2021, Shift 1. 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.