- Determinants (NMOC 199 4. Without...
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- Determinants (NMOC 199 4. Without expanding the determinant at any stage, prove that | *-3 2-4 x-a| *-2 X-3 X-B = 0, where a, ß, y are in A.P. |x-1 1-2 X-1 Using properties of Determinants, evaluate: e-bb-cc-a sb-c ca amb (ISC, CBSE

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6.6 ( left|begin{array}{lll}3 & 4 & 2 2 & 3 & beta 1 & 2 & 8end{array}right|=0 ) ( R_{3} rightarrow R_{3}-3 R_{1}, R_{2} rightarrow 3 R_{2}-2 R_{1} ) -13421 ( 30138822=0 ) ( left|begin{array}{lll}3 & 4 & 2 0 & 1 & 3 beta-2 alpha 0 & 2 & 36-alphaend{array}right|=0 ) ( Rightarrow 3[(3 r-alpha)-2(3 beta-2 alpha)]=0 ) ( 3 gamma-alpha ) ( =c ) ( 3 r+3 alpha-6 beta=0 ) ( gamma+alpha-2 beta ) ( f+2-(alpha+gamma)=0 quadleft(operatorname{fin} m e q^{prime}(U)right. ) ( 7+2-2-x=0 ) ( =0 quad(text { true }) ) heme proned
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