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Question 7 (1 point) For what value of $k$, if any, will $y=k \sin (5 x)+2 \cos (4 x)$ be a solution to the differential equation $y^{\prime \prime}+16 y=-27 \sin (5 x)$ ? a $\quad-27$ b $-9 / 5$ c 3 d There is no such value of $k$multiple choice

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