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Grade:12

1 Answers

Akshay
185 Points
7 years ago
Step 1: C3 = C3 – C2*x,
Step 2: R3 = R3 + R2,
Step 3: C1 = C1 – 50*C2,
Step 4: Expand the determinant
You will get Dx = 2x(-50)  + 500,
Sum(Dx) = -500

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