Total number of possible matrices of order 3×3 with each entry 2 or 0 is
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UMM....1 or 0.
Now for each entry we have 2 choices .i.e it can be filled in two ways.And there are9 place as it is a 3*3 matrix.
Thus the total no. of ways of filling all the entries are 2*2*2*2*2*2*2*2*2=512 and thats your answer.
Now for each entry we have 2 choices .i.e it can be filled in two ways.And there are9 place as it is a 3*3 matrix.
Thus the total no. of ways of filling all the entries are 2*2*2*2*2*2*2*2*2=512 and thats your answer.
Minisuresh:
Thank uuuu
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total matrices formed with 2 & 0 are 2^9=512
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