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Questions › CUET-PG › CUET-PG 2019 › Q77
4 marks, −1Mathematics › Difference and differential equations › Difference equationsEasyabout 1 min

CUET-PG 2019 Question 77: Difference and differential equations

An equation of the form Yt−1.2Yt−1=0Y_t - 1.2Y_{t-1} = 0Yt​−1.2Yt−1​=0 is a

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An equation of the form Yₜ - 1.2Yₜ₋₁ = 0 is a (A) Difference equation (B) Differential equation (C) Simultaneous equation (D) Proportional equation

Also written as: An equation of the form Y_t - 1.2Y_(t-1) = 0 is a

Difference and differential equations has come up 20 times in 5 exams since 2014.

What this question tests

This question is on Difference equations, part of Difference and differential equations in Mathematics.

Solving equations that link a variable to its past values.

TestStop has 5 past-paper questions on this subtopic; the nearest in year are below.

  • IIT JAM 2021 · Q45Consider xₙ = ((n+1)/n)xₙ₋₁ for n = 1, 2, 3, … with x₀ = 2. Then x₁₀₀ - x₅₀ equals _ (in integer).
  • IIT JAM 2022 · Q16Let a second order difference equation be yₙ₊₂ + 4yₙ = 4yₙ₊₁, n = 2, 3, 4, …, with y₀ = 1, y₁ = 4. Then the…
Take this paper as a timed mockMore on Difference equations

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Question from the CUET-PG 2019 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.