Engineering
Mathematics
Introduction to Matrix
Solving System of Linear Equation Cramers Rule
Question

If [1111][xy]=[24], then the values of x and y respectively are?

–3, – 1

3, 1

1, 3

–1, 3

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Solution
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On equating given two matrices, we get

x + y = 2 and – x + y = 4
Solving for x, y : x = – 1, y = 3.