how to use Cramer's rule
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Cramer's rule :-
there will 3 equations given with variables x and y.
we should derive co efficient matrix (A) and variable matrix(X) and constant matrix(D)
we should find the determinant of the co efficient matrix and if it is not zero then it is a non singular matrix.it is denoted by (∆) and now we should interchange the first column with constant matrix and after interchanging again find the determinant of new matrix and denote it as (∆¹) and similarly interchange 2nd and 3rd columns with constant matrix one by one .
and finally x=∆¹ /∆
y=∆²/∆
z=∆³/∆
it is the way to find the values of x,y,z by using Cramer's rule.
hope it helps
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there will 3 equations given with variables x and y.
we should derive co efficient matrix (A) and variable matrix(X) and constant matrix(D)
we should find the determinant of the co efficient matrix and if it is not zero then it is a non singular matrix.it is denoted by (∆) and now we should interchange the first column with constant matrix and after interchanging again find the determinant of new matrix and denote it as (∆¹) and similarly interchange 2nd and 3rd columns with constant matrix one by one .
and finally x=∆¹ /∆
y=∆²/∆
z=∆³/∆
it is the way to find the values of x,y,z by using Cramer's rule.
hope it helps
mark it as brainliest
harshitha8:
mark it as brainliest
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