Class 12 Matrices · Mcq Single Correct1 Marksmatrix_operations
Class 12 Maths · Matrices · Mcq Single Correct #75
If x\(\begin{bmatrix}1\\2\end{bmatrix}\)+y\(\begin{bmatrix}2\\5\end{bmatrix}\)=\(\begin{bmatrix}4\\9\end{bmatrix}\), find x,y.
✅ Step-by-Step Solution
Final Answer: Option (B): x=2,y=1
- The equations are x+2y=4 and 2x+5y=9. Subtracting twice the first from the second gives y=1, then x=2.
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