If $x\begin{bmatrix}3\\ 4\\ \end{bmatrix}$+$y\begin{bmatrix}2\\ 1\\ \end{bmatrix}$=$\begin{bmatrix}10\\ 10\\ \end{bmatrix}$. Then find the values of x and y |
x=2,y=1 x=1,y=2 x=2,y=2 x=2,y=3 |
x=2,y=2 |
The correct answer is Option (3) → $x=2,y=2$ $x\begin{bmatrix}3\\ 4\end{bmatrix}+y\begin{bmatrix}2\\ 1 \end{bmatrix}=\begin{bmatrix}10\\ 10\end{bmatrix}$ $\begin{bmatrix}3x+2y\\ 4x+y\end{bmatrix}=\begin{bmatrix}10\\ 10\end{bmatrix}$ $⇒3x+2y=10$ ...(1) $4x+y=10$ ...(2) Solving (1) and (2), $⇒5x=10$ $⇒x=2$ and $y=2$ |