List of top Mathematics Questions asked in GATE Biomedical Engineering

The determinant of a 3 × 3 matrix \( M \) is 8. If every element of \( M \) is multiplied by \( -2 \), the determinant of the modified matrix will be:
Which one of the following plots represents \( f(x) = -\frac{|x|}{x} \), where \( x \) is a non-zero real number?
Note: The figures shown are representative.