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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Deepak singh 1
Refer attachment
only d is correct in the option.
I don't have a solution sorry
ok , no problem ..
yes , it will be 4×1 . I have also write 4×1
I get a different answer if I change the matrix.
yes , you r correct . Now option d is correct .