Class 12 Matrices · Mcq Single Correct1 Marksmatrix_equality
Class 12 Maths · Matrices · Mcq Single Correct #3
If \(\begin{bmatrix}2a+b & a−2b\\5c−d & 4c+3d\end{bmatrix}\)=\(\begin{bmatrix}4 & -3\\11 & 24\end{bmatrix}\), find a+b−c+2d.
✅ Step-by-Step Solution
Final Answer: Option (A): 8
- Corresponding entries give 2a+b=4, a−2b=−3, 5c−d=11, 4c+3d=24. Solving yields a=1,b=2,c=3,d=4, hence 1+2−3+8=8.
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