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Vijay Singh chauhan Asked a Question
June 27, 2021 10:43 ampts 30 pts
  • IIT JAM
  • Mathematics (MA)

-2 5 35. the rank of the matrix| 2 4 a-4, is (a) 2, ifa =-6 (c) 1, ifa =2 1-2 a+1| (b) 2, ifa =1 (d) 1, ifa =-6

-2 5 35. The rank of the matrix| 2 4 a-4, is (a) 2, ifa =-6 (c) 1, ifa =2 1-2 a+1| (b) 2, ifa =1 (d) 1, ifa =-6
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  • Pinku sarkar Best Answer
    option b) and option d) (Ans)
    • cropped1535170259532848069.jpg
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  • Pinku sarkar
    if a =1 then rank will be 2.. bcz there Will be 2 linearly independent row. and same case for a=2
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  • Alka gupta thankyou
    ans D....
    • cropped845403696314994005.jpg
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