Answer
False
Work Step by Step
We can see that $r=0$ is a thrice repeated root of auxiliary equation.
This implies that the trial solution is $y_p(x)=A_0x^3 +A_1 x^4+A_2 x^5+A_3 x^6+A_4 x^7$
Therefore, the given statement is $\bf{False}$.
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