NCERT Solutions, CBSE Sample Papers and Syllabus for Class 9 to 12 : Without expanding the determinant prove that

Showing posts with label Without expanding the determinant prove that. Show all posts

Showing posts with label Without expanding the determinant prove that. Show all posts

Saturday, 4 May 2013

Without expanding the determinant prove that

Without expanding the determinant, prove that

Apply

R1->aR1

R2->bR2

R3->cR3

We get

Interchange C1 with C3 we get

Interchange C2 with C3 we get

Hence

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