Grade 12Most Scoring Topics in IIT JEE
pleaes solve the question of determinants and give detailed solution.
pleaes solve the question of determinants and give detailed solution.
1 Answer
Shashi Tripathi
The matrix[ 1 a b ][ c 1 d ][ e f 1 ]Where exactly one of a,b,c,d,e,f is 1 and rest of them are as zeros,is invertible.There are such 6 matrices.Also,the matrix [1 0 1] is invertible. [0 1 0] [1 0 0]This,there are at least 7 such matrices which are invertible.
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