1 1 a d Find the value of x if 0 1 is the inverse of the matrix 1 2 e 1 1 -2 cf. A. x = 1 B. x = 0 1 C. x = 2 D. Cannot be determined. E. x = 2 2)

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Q: Use elementary row or column operations to find the determinant. 3 3 -8 7. 2 -5 5. 68S3

A: We have to find determinate by row or column operation. 

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Q: What are the real and imaginary parts of (1+i)exp(-i,t/4)/v2?

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A: x+2y=10 → (1)-x-5y=-19 → (2)adding⇒ (1)+ (2) x+2y-x-5y=10-19-3y=-9y=3

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Q: Solve the matrix equation for X: 1 1 1 4 X 1 1 3 1 1 i i i

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A: topic - complex numbers

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