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What should be the value of x so that the matrix ( array ll 2 & 4 -8 & x array ) does not have an inverse?

Options

  1. A16
  2. B-16
  3. C8
  4. D-8

Correct answer

B. -16

Step-by-step solution

A matrix does not have an inverse if | A |=0 | array cc 2 & 4 -8 & x array |=0 x=-16

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