Particular Integrals Quiz
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Questions and Answers

What is the particular integral of the differential equation $D^2y/dx^2 + dy/dx = x^2 + 2x + 4$?

  • $2x^3/3 + 4x^2$
  • $x^3/3 + 4x$ (correct)
  • $x^2 + 2x + 4$
  • $3x^2 + 4x$

In which case is the particular integral of $F(D)y = X^α, α > 0$ given as $yp(x) = F(D)^{-1}X^α$?

  • Case 1
  • Case 3 (correct)
  • Case 2
  • Case 4

What is the general formula for the particular integral?

  • yp(x) = F(D)^{-1}X^α (correct)
  • yp(x) = F(D)X^α
  • yp(x) = F(D)X^α + X^β
  • yp(x) = F(D)^{-1}X^β

What should be the value of α for the particular integral of $F(D)y = X^α, α > 0$?

<p>α &gt; 0 (C)</p> Signup and view all the answers

How is the particular integral of $F(D)y = X^α, α > 0$ obtained?

<p>By expanding $F(D)^{-1}$ as an infinite series in ascending powers of D and then operating on $X^α$ (C)</p> Signup and view all the answers

What is the particular integral of the differential equation $D^2y/dx^2 + dy/dx = x^2 + 2x + 4$?

<p>$x^3/3 + 4x$ (B)</p> Signup and view all the answers

What is the formula for the particular integral when $F(D)y = X^α, α > 0$?

<p>$yp(x) = F(D)^{-1}X^α$ (D)</p> Signup and view all the answers

In which case is the particular integral of $F(D)y = X^α$ given as $yp(x) = F(D)^{-1}X^α$?

<p>When $α &gt; 0$ (D)</p> Signup and view all the answers

What are the special cases for the particular integral?

<p>Case 3: When $rX^α, α &gt; 0$ (B)</p> Signup and view all the answers

How is the particular integral of $F(D)y = X^α, α > 0$ obtained?

<p>By expanding $F(D)^{-1}$ as an infinite series in ascending powers of $D$ and then operating on $X^α$ (A)</p> Signup and view all the answers

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