Questions
If a system of three linear equations in three unknowns which is in the matrix equation form of is inconsistent, then is
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a
Greater than or equal to one
b
one
c
Greater than one
d
Less than one
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Correct option is D
Since A is a submatrix of the matris AD, we have rank A≤rank AD. Since the system AX=D is inconsistent, we must have rank A≠rank AD ⇒rank ASimilar Questions
The number of matrices whose entries are either and for which the system has exactly two distinct solutions, is
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