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OpenStudy (anonymous):
how do you explain Cramer's Rule??
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OpenStudy (anonymous):
cramer rule is a method of solving system of linear equations in which only a unique solution exist. remember that while using cramer rule det(A) must be non-zero.
OpenStudy (anonymous):
and its formula is det (Bi) ........... for i=1,2,3,4... det (A) Bi is obtained by replacing ith column of Bi by the entries of ith column or A is it clear now?
jhonyy9 (jhonyy9):
can you check it sure on wikipedia.org
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