1.If y(x)=∣sinxcosxsinx+cosx+1272827111∣y(x)=\begin{vmatrix} \sin x & \cos x & \sin x+\cos x+1 \\ 27 & 28 & 27 \\ 1 & 1 & 1 \end{vmatrix}y(x)=sinx271cosx281sinx+cosx+1271, x∈Rx\in\mathbb{R}x∈R, then d2ydx2+y\frac{d^{2}y}{dx^{2}}+ydx2d2y+y is equal to:a.−1-1−1b.282828c.272727d.111Login to continueOnly logged in users canattempt or see the solution.
