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and i think that's what i m asking for
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ok this is the solution of your question
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take common a along R1, b along R2,and c along R3.
so determinant will be,common term abc
please take all these in the sign of determinant
R3 ---> R3- R1
R2---> R2-R3
take common a ^2 from C1,b^2 from C2 and c^2 from C3: Now common term outside of the Det. is
now inside Det.
now expand the determinant along C1
0+0+1(2-0)
=2
already we have a common term,so LHS is equal to
hope you understand,very well
so determinant will be,common term abc
please take all these in the sign of determinant
R3 ---> R3- R1
R2---> R2-R3
take common a ^2 from C1,b^2 from C2 and c^2 from C3: Now common term outside of the Det. is
now inside Det.
now expand the determinant along C1
0+0+1(2-0)
=2
already we have a common term,so LHS is equal to
hope you understand,very well
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