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MHT CET · Maths · Matrices

If the inverse of the matrix α14-1231623 does not exist then the value of α is

  1. A 1
  2. B -1
  3. C 0
  4. D -2
Verified Solution

Answer & Solution

Correct Answer

(D) -2

Step-by-step Solution

Detailed explanation

A=α14-1231623
A=7α+14
A-1 does not exists if |A|= 0
7α+14=0α=-2